describe-what-you-think-you-would-observe-for-these-chemical-equations-a-operatornamemgs2-mathrmhc-2

Question

Describe what you think you would observe for these chemical equations.
a. $\operatorname{Mg}(s)+2 \mathrm{HCl}(a q) \longrightarrow \mathrm{H}_{2}(g)+\mathrm{MgCl}_{2}(a q)$
b. $2 \mathrm{H}_{2} \mathrm{O}_{2}(a q) \longrightarrow 2 \mathrm{H}_{2} \mathrm{O}(l)+\mathrm{O}_{2}(g)$
c. $2 \mathrm{NaCl}(a q)+\mathrm{Pb}\left(\mathrm{NO}_{3}\right)_{2}(a q) \longrightarrow 2 \mathrm{NaNO}_{3}(a q)+\mathrm{PbCl}_{2}(s)$

Vishal Sharma · Accepted Answer

So in this question what you observe from these chemical equation. So these are the equation that is given in the question. So in the party off the question that we can see see that magnesium and seal our react. And we expect the soldiered magnesium to react and disappeared to form a liquid compound So we can see that when magnesium And at CNN, that is hydrochloric acid react. We expect solid magnesium to react and disappeared to form a liquid compound. Toe form are liquid compound. So there is also an evidence for the formation off hydrogen gas. There is also evidence, yeah, for the formation off hydrogen gas so hydrogen gas bubble toe pop out so hydrogen guess bubbles to pop out to pop out. So this is the observation that we observed from this reaction. So basically, the solid mag nation will react and disappeared in tow. Equus compound and a gas bubble will appear from this a reaction. So, in case off a second reaction, we see that the reaction has only one reactant and two products are formed from it. So this is a big composition reaction. So this is the decomposition reaction because in the decomposition reaction, a single rec 10 formed toward more products. So in this case, the composition reaction in which expose its two or two in which equals hydrogen peroxide. That means H 20 toe. They composed toe form liquid water. They compose toe form liquid water and oxygen toe form liquid water, mhm and oxygen. Guess so as gas is formed, the gas bubble are expected toe appear in this solution. So we can regulators gas bubbles. Guess Yeah, bubbles will appear in the solution you feel appeared in the solution. So now coming toe the part c off the equation. So this is the party off the equation. So in this case, in this case, in a sodium chloride as we see that sodium chloride and light nitrate, that is maybe a new three, twice this react and we expect for before mission off solid lead chloride that is PVC or two so that we can say that to a course. Tow a car solution, react toe form are solid compound to form a solid compound. So an important observation also and important observation Toby made is that Toby made. Is that chloride and nitrate iron That means chloride and nitrate iron. So that means C l minus and and no three minus irons. So these irons exchanged their position. These are exchange there positions. So this reaction is called double displacement reaction. So this reaction is called double displacement reaction. Double displacement reaction. So what we observe in direction, see, is so what we observe in direction sees in border is, uh, a solid will form. When did do solutions are mixed so a solid is formed, went to solutions are mixed so we can write a test a solid will form when did too solutions are mixed.

Matthew Lueckheide · Answer

All right, So we have more of these. Predict the products, balance the equation. Reactions. Right. So this is what it looks like a classic combustion reaction. So we&#x27;re gonna predict the products here. Um, so it looks like we&#x27;re burning ethanol, which is C two h 50 h. Otherwise don&#x27;t have C two h 60 right. And because it&#x27;s combustion, we&#x27;re gonna have to go to and water as the products. And then on we have to do is balance, so right. But we could start with two carbon dioxides, So two carbons are all balanced now, um, we have three. Sorry, we have six. Hydrogen is on the left. We only have two on the right. We could put a three here to get those balanced, and then oxygen&#x27;s here is what? It&#x27;s gonna be a problem. Right? So if we count the number of options, it looks like we have three on the left right now. And after balancing the carbon and hydrogen, we have four from seal to. We&#x27;re gonna have seven from water. So we&#x27;re gonna have to do some balancing here. Right? Um So how do we get, uh, seven Oxygen&#x27;s on the left. Um right. So because we have an oxygen in all of our products, we could do some simple algebra. I think I think this might be the best way to solve these problems. Right. So between the 1st 2 reactant ce, we have one oxygen and the first reacted, and we have two in the second, right? So, um, is there a way that we can get Ah ah coefficient in this position? That would have, um so call that X right? Plus the one that I&#x27;m talking about. This one is gonna be talking about that oxygen there. Um, and we&#x27;re gonna have to have that equal seven. Right? And they&#x27;re totally is right. So if we subtract one, we could get X equal to six. Um, so if we can get this whole term to equal to six oxygen, um, we&#x27;ll have enough on both sides. And there&#x27;s a really easy way we could do that. And that is when you get rid of this arrow, make this incredibly anticlimactic, but putting a three here, right? So then we&#x27;re going to get six oxygen&#x27;s from the 302 We&#x27;re gonna get one from the ethanol sorry, I put zero. Really get one from the ethanol and six plus one nickel seven. So therefore, we could balance the equation. Um, by having two carbons on both sides, we have six hundreds of both sides, and then we have seven options. Um, on both sides as well. So that&#x27;s a combustion reaction. Right? So here we have nitric acid and lithium hydroxide. So this is considered a double replacement reaction. Right? So, um, these are both Equus and Equus. So in order for these reactions to happen, um, you need to ah, have won your products be either insoluble a gas or a monk. Your compound. So it looks like as a result, you&#x27;re gonna form lithium nitrate, right? And according to the scalability rules that Aaron textbook all Group one compounds are soluble and all nitrate disciple. So lithium. Um, with you, maitre, it&#x27;s totally Sybil in water on. Then you get water, right? So you get otherwise in some of these reactions, you might see them as h o. H. Because you have the atrium nitric acid, reacting with the wage from the lithium hydroxide. Um right. And this is a liquid water is a liquid. So this reaction is going to go forward? This reaction does happen because we form a molecular compounds. Um, which is water in this case, Um, so that&#x27;s a double displacement reaction. And then you get this reaction here. Right? So this looks like a double displacement reaction. So let&#x27;s write the products first, and then we&#x27;ll figure out if this reaction could happen. So you&#x27;re going to get ah, lead carbonate when you swept so off the metals, Um, and then you&#x27;re gonna get to equivalents of sodium nitrate. So again, with sodium nitrate, all group one and all nitrates are soluble is lead carbonate Sybil, though you know that lead could be an exception, um, to the rule. But the rule with carbonates is all carbonates except those of group one and ammonium are insoluble. So all carbonates are inside, will accept group one, and ammonia lead is not either of those. So lead carbonate. It&#x27;s gonna be a solid. This reaction is gonna happen, right? So with these, I think the Net ionic equations are also really important. So the reaction that&#x27;s happening here that makes this reaction actually happen, um is that you have lead and you have the car. The car box. That&#x27;s hard box at their carbonate. Diana, I&#x27;m Polly Atomic eye on forming lead carbonate, which is a solid in water.

Carolina Acevedo · Answer

back chemical equations and our task we have to desk. 1st 1 is gonna be to identify the type of reaction they are and to try to fit in Assman e groups as possible. And then the second task is to balance that equation. And that&#x27;s why if you notice when I wrote them down, I left that little blank space in there so I can remember to go ahead and balance, and you can either leave a blank when it&#x27;s a one or write a one. Never write us here, though so late in order to do task one, we have to identify the type of reaction. So let&#x27;s live the type of reactions. Oh, you know. So there&#x27;s two main O types of reactions that we&#x27;re gonna talk about. The 1st 1 is a double displacement also know as a double replacement. So you go either way, I&#x27;m gonna call it DD for short and then from double displacement of the replacement. There&#x27;s two types. The 1st 1 is a precipitation reaction in a precipitation reaction, which is probably the best example with double displacement is when you have to an income poems. So that&#x27;s a metal nonmetal and another an income bones metal nonmetal, and it gives you a new combination of a metal nonmetal, and one of them is gonna be a solid. That&#x27;s what the precipitous, the precipitous a solid comes from to a queer solutions. And then that gives you another combination of metal nonmetal. No, it doesn&#x27;t matter. This one&#x27;s soul it and this one&#x27;s a quick or this one is a prison. This when I saw it. That depends on the scalability rules, right or given in the equations. But to be a precipitation reaction. One of your products, which is this out of the reaction, has to be a solid. The next type O double displacement is an asset base reaction, which we call a slash B for short and then the easiest waiter than a financing base. Reaction is you have an asset, which starts with an H and a non metal. So there&#x27;s my asset, me and the solace there a quiz, most likely maker estate, which is waters soluble. And then you have a base, which we know by the age so as a metal. And I know HDMI, multiple ages a Chris, most languages on them, solid and it gives you water which water is just age and wage together. This way is a tool, and a liquid stayed because it&#x27;s pure water, plus the salt, which is be a metal nonmetal. Now assault is not just a well sold its any I any compound, and then we have the second type of the second main type. Because there&#x27;s many times in Maine, time will be a reduction reaction. So Redox stands for oxidation reduction or reduction oxidation. However you want to write it and we write Redux for short, there&#x27;s four million times that we&#x27;re gonna look at. The 1st 1 is a synthesis, which is also called combination. So something says in combinations you take to come bones to simpler come poems, and you mix it into one bigger compound in here. There&#x27;s no exchange of elections between A and B and E here. That&#x27;s an exchange of electrons between A and B. That&#x27;s what Redox meets. There&#x27;s an exchange of electrons, and there&#x27;s a change on the number of elections that are being exchanged. Grown reactions to products. Okay, the same type of redox is a decomposition, and of the composition is just opposite of a synthesis. You have a compound for big company, and it breaks up into simpler compounds and noticed that I don&#x27;t put states of matter in this one because it can vary gases, liquids, eight Chris allusions. And then we have a there one just go a single replacement or a single displacement. Either Ward is interchangeable like replacement. But you can call it this place one, and we call it as art for a short. And in this one you have a single compound, and it&#x27;s gonna be mixed with most, like we another compound and is gonna give you either a N c. So that is that you started with a single element, and I combine and gives you a new component under a single element. Now the single elements can be die atomic. So, like oxygen guys. I know God, thank you guys, so you will see a two zone lines. But it&#x27;s the same thing. So this matter and then the last type of redox is a combustion, a combustion. There&#x27;s multiple combustion ins. The easiest way to identify a combustion is by you have a carbohydrate, which is carbon, hydrogen and a type of oxygen. So my was oxygen doesn&#x27;t have to be there x y and see Arges the numbers it can change plus oxygen guns. We&#x27;ll give you seal, too, in water. It&#x27;s easy to identify because you will see this Portman carbohydrate, with or without the oxygen plus oxygen guys will give you see or two and water on example of it is the 1st 1 Notice that for a we have a carbohydrate plus oxygen guys will give you CEO to and water. So this is a combustion reaction, and we know combustion reactions are also a type of Redux. Then we have B. We have HCL, so we haven&#x27;t answered and we have silver acetate. That&#x27;s not a base for it to be a base, it would have to have a new reach, so we know we&#x27;re now on acid baseball. We know we have a double replacement because we have a compound in a different compound, and we form in the peroxide solid and in a criss. So we go from a quiz calm bone. Plus a quiz combo noticed a Chris A Chris gives you a stolen and another a crystal as a precipitation reaction, which is also a type of double Reese placement that will. This place on a double replacement, I said, is both if you read it coming, then for their one. We have an acid hydrochloric acid it with aluminum hydroxide. So we have aged Noh asset base will give you your salt and water. So this is a massive based reaction and it&#x27;s also a double displacement reaction. All right, so for the we have 100 peroxide break up into water and oxygen gas, so you have a complex compound breaking up into simpler compounds. So this is gonna be a decomposition, which is the thought which is a type of redux, which is oxidation reduction. And then you have the last one you have into each for so Diane nitrogen that your hydride plus oxygen gas will give you nitrogen gas in the water. This is a single replacement, which is also a type o redux. Don&#x27;t let the 02 and into full you. Those are the atomic molecules. So when hydrogen, nitrogen, oxygen flooring, Iine and the so there&#x27;s a seven of them. When any of those seven er by themselves, they&#x27;re always in piers, right? They&#x27;re not stable. with old by itself isn&#x27;t stable. So is always go to the same one nitrogen. But that&#x27;s still the separate reaction are here. So now that we identify the type of reaction and then we have to balance, so to balance the pieces would do it is to break it up into its elements, to remember that the react inside and the products I&#x27;d have to have the same number of items. So this year you have three carbons and the react inside. Eight. Hodgins, you have one oxygen right here and to oxygen&#x27;s here, and I&#x27;m gonna keep the oxygen separate. And then on the product side, you have one carbon to hide regions, and we&#x27;re gonna keep the oxygen second on the 1st 1 have to and the water I have one. When you&#x27;re doing a combustion reaction around san combustion reaction, you should always start with carbon first hydrant second and undo your oxygen&#x27;s lost. Because since auctions Aaron local places, you&#x27;re gonna have to Adam. So I&#x27;m gonna balance my carbon first. So this carbon has three. This one has, once I multiply CEO to white, three gives me a three here and then this tree view gives me a sex Oxygen&#x27;s on the 1st 1 and I&#x27;m gonna balance my 100. And next I have eight hydrants. Here&#x27;s a look by by four gives me a judge and this will be for right distributes four times one is for so on the product side. At those two, I have a total of 10. Oxygen&#x27;s on the reactor. Inside. I have three, Right. So if you want to apply this one on here by five, that would give you a total of 11 because this one will tend to 10 plus one will be 11. If you multiply this by four, that will give you a total of nine. Because four times was eight plus one is nine. So that&#x27;s not gonna work. No matter what you do, it doesn&#x27;t work. So we&#x27;re gonna have to do is we&#x27;re gonna have to do it again. And this time, when a religious stuck, the East is what to do is to go back to the beginning and put it to on the largest calm bone that you find, which is this one. So when I raise my other numbers before I can distributed and then he s you. Sometimes you have to go ahead. And this combustion is our little done consuming. So to one, I&#x27;m just writing the original numbers. Okay, so now we distribute against. Since I put it to here two times three is six. Two times eight is 16 two times one, if to And then we go carbon first, some multiply. I need six carbons. So this is just for you to keep track of six times. 166 times two is 12 for the first oxygen, and then I need 16 hydrogen, so won&#x27;t apply this by 88 times. Suit a 16 8 times. One is eight on the product side. At those, I have a total of 20 oxygen&#x27;s. So now on the react inside, I need a total 20. Oxygen is here. You already have two. All right. I need a total of 20. Already have two. You cannot do anything to this oxygen. So that&#x27;s connected to home like you. So I need 20. Already have to. So I need this to be 18. Multiply that by 99 times two is 18 and it gives you a total of 20. And now you&#x27;re equations. Bounds That&#x27;s probably one of the hardest ones to balance. Right? So then we go to be do the same thing, list everything. So h have one going. I have one. And then so over I have one. And I&#x27;m gonna keep the Poli Atomics together as long as I see them Bullets ice. Notice that this stays the same with bullets. Ice. I&#x27;m gonna keep it together just easier. So this is a compound together anyways, and then we go to the other side. I&#x27;m gonna try to keep it on the same order. So hydrogen, I have 100 gin glory. I have one corn silver. I have ones over and then assert stayed. I have one at city and this one sortie balanced notice that everything is the same number of atoms those ones already belts, so we don&#x27;t have to do anything. You can put it once if you want here, or you can just leave it alone. If you leave a blink, Just don&#x27;t. Mexico severely were blank there. Someone assumed to be there, right? Wasn&#x27;t one to see. Aged one hydrogen, one corn, one aluminum and three hydroxide. Nowadays there&#x27;s three hydroxide is here. Let me write this. And on the product side, I have start with hydrogen. Oh, notice that in here and have a hydroxide in here. I don&#x27;t. There&#x27;s a trick about acid base reactions that whenever you see a water, a water is made by H oh, age Notice H o h. Make the water so you can always turn water into hydrogen hydroxide so you don&#x27;t have to split. Thus, I drug side up. So now I have one hydrogen. I&#x27;m gonna keep it the same order. Corinne&#x27;s. I have three then aluminum is next. I have one, and then I drop sides. I have one. So no, it is that my drug says in the reaction centre. Three in the products that is one and the product side have three corns on the reactions that are one. So I&#x27;m gonna multiply this corn right three. That gives me three Hodgins and three coins. I can&#x27;t just won&#x27;t let clearing itself. I have to go home like you and then on the other side. Now, the high gyms are not the same on the hydroxide are not the same. So I&#x27;m gonna put a three here which used me three Hodgins and three hydroxide, and now they&#x27;re all the same. Number of items, right? So I have 300. 300 is recordings, recordings. One aluminum wanted aluminum hydroxide is of very hard drugs. Sex. Now we go to D. So you go H two 02 We have aged two, and then we have the first Oxygen is one and the second oxygen is to now have three accidents in the products. Like to oxygen&#x27;s on the reactor inside. That&#x27;s not gonna work. The east is littered. Will. Probably this just like with the 1st 1? The ones that look really hard? Kind of confusing. It&#x27;s a put it to in front of the biggest thing of the biggest, more complex compound. You can always go back and simplify your numbers. Right? So two times two is 42 times two is four. So I have four Hodgins, I&#x27;m gonna put a two year excuse me. Four hydrogen is and then to oxygen&#x27;s on the first. And then you add those two together and it gives you for do you have four hydrogen and for oxygen&#x27;s, and then you&#x27;re done. The equation is balance. Right now we go to the last one. So split everything up. Two nights, regions or heart Surgeons toe oxygen&#x27;s two nights regions. How do you know it&#x27;s next to hide regions and then one oxygen So my nation&#x27;s air the same. My hydrogen is My actions are not block leader together. So multiply this by two to make that hydrogen a four on the multiplies like to to make the oxygen onto, and now everything is balanced and you&#x27;re done.

Anupa Sharad Medhekar · Answer

the next question eating right chemical equations for the directions you&#x27;d expect toe occurred of men a eighteen&#x27;s magni shin biker on it is heated Do high temperature So magnificient biker when it is, that&#x27;s your cream do tens And it is he took simply tight temperature and by the study action should be man ignition box It is formed Read carbon jokes eight And what now to Berlin Study action Water should be do carbon doubts that should be too And because the net bicarbonate two molecules to So this is how this balanced and after that we contrite was consistently good and this should be a guess And this is so it and the mission by government It&#x27;s sort chicken No, in kids should be the question to skin on that very limb Chloride is a literalist so but the little missus didn&#x27;t know, right? Jeez, really group it stewed electoral system Then it is converted to big and clothes. So medium and crude injections balanced You selected oh, musical street. This should be guess the you should consult meat and then you clear right modern Must you tickle So it is Look great. Now come to the next one seem sees strong Shim He&#x27;s edit two gold dilute hbr Equitas so strung Shin sticking and jiggle it h bia And by this the action should strong shin bromate Yes Hi Susan gets and of Yushin should be billions to buy Draw here and this should be a strong Shindo might So this should be to Yeah this is true This really not soon You know it&#x27;s not great and we are too is to come instructions under developments So the physical state conveyed is the on switch is formed here it is worse solution of the salt and here it is are going equals solution and strong showing should medal this so it comported now go do a de is calcium hydroxide is added to It&#x27;s just a foot so ok soon Hideout said it&#x27;s chicken read a stressful and by the East Addiction expert titties Tension centric revolution And what So it should be extra PSA for two so well ensued This needed yet the struggle Hikers in four here So this should be do and other ones Deduction should be balanced Foreign drugs isn&#x27;t rocks ism and tensions Observe inst some previous ones soon pieces on, and after that, I was going to state that is, this should be good gunships and reach this. So you and this is that course solution. And Gulshan hydrant, Citizens on circle search pensions and pretties unsellable in water. And that is so, should been so strict. Now come to the last one. This is these tensions, and ST George Tool is heated. So attention, Salfit to its to do. Who&#x27;s when heated, can ships and produce using water molecules and only are 40. Monocle is left to it and winning. See by two water molecule disuse Soon. Who&#x27;s going to state should Is this going out in the form off guests? And this is so elite. Andi shouldn&#x27;t salute Mrs. It is heated, So dehydration sticky. Listen.

Katherine Mccandless · Answer

to balance equations. We need to make sure that we have the same number of atoms on both sides and the way that we can ensure that is, by changing what&#x27;s called the coefficient. The coefficient is a multiplier, or a number that can come in front of each substance. We can&#x27;t ever change the sub scripts because that changes the identity of the reactant and product, so we can only change multipliers in front of here. So in the first reaction, we have magnesium, silver, nitrogen, an oxygen on both sides. And so we count up how many atoms of each we have when the reactive side. So there&#x27;s one mg one a G one nitrogen, and this subscript indicates there are three oxygen&#x27;s on the product side. We do the same thing. There&#x27;s one magnesium, they there&#x27;s one nitrogen because it&#x27;s in the parentheses. That means that there are actually two of them, one times two. So that would also mean that there are six oxygen&#x27;s and only one a G. So right now, the magnesium zehr equal with silver&#x27;s air equal. But the nitrogen is, and oxygen&#x27;s aren&#x27;t so. In order to balance those we need to multiply the nitrogen and oxygen is by a coefficient, which in this case is too, because if you multiply and one times two, it&#x27;s too, and three times two is six. But when we did that, we also now multiply the A G by two. So what that means is that we have to multiply the A G on this side by two as well, since and now you&#x27;re equation is balanced with MGI, plus to a G and +03 makes mg ano 32 plus two A. G. When you write the equation, you can put ones in, but typically we leave off. The one is a coefficient. Very second example, We have aluminum, copper suffer and oxygen on both sides of the equation. On the reactant side, there&#x27;s one aluminum, one copper, one sulfur and four oxygen&#x27;s. On the product side, there&#x27;s two aluminum&#x27;s. There are three suffers 12 oxygen&#x27;s because four times three is 12 and only one copper. So you might think that you would start with the aluminum by multiplying by it to here. But when you have an element by itself, we typically save those for last. So let&#x27;s look at the suffers and Oxygen&#x27;s first. In order to balance these, we can multiply each by three because that would give us a 12 and a three. So to do that, I put a three in front of C USO for, but that also multiplied the copper by three. So now I have to go to the product side in place, the three here and then finally, to balance the aluminum&#x27;s, I need to place a to here and now the equation is balanced to a l plus three C. U. S +04 makes a l two s 043 d plus three. See you. The next example. We have read nitrogen oxygen sodium in quarry. On the reactant side, there&#x27;s one lead. Two. Nitrogen, six. Oxygen&#x27;s one sodium on one quarry. On the product side, there&#x27;s one lead to chlorine, one sodium, one nitrogen and three oxygen&#x27;s so we can start with our oxygen&#x27;s and nitrogen to balance. Um, we can multiply to here. It gives me two nitrogen and six oxygen&#x27;s. It also gives me to sodium size. So when we look at this side, we can balance that by placing it to here, which gives me to sodium and to chlorine. So now the equation is balanced. There&#x27;s one lead on both sides. Two. Nitrogen is on both sides. Six. Oxygen&#x27;s on both sides to sodium is on both sides and to chlorine until the equation is PB and 03 to plus to an a C L makes PB C l two plus to an a n 03 in our last example aluminum, hydrogen and chlorine in the reactant and the products. There&#x27;s one aluminum, one hydrogen and one chlorine on the reactive side. One aluminum, three chlorine and two hydrogen ins on this side. So we might think to start with that would take care of our Corinne&#x27;s cause there&#x27;s three here. You might think I&#x27;d put a three here, but if I do that, that gives me three hydrogen XYZ. Well, I have to on this side, so we really need to look for common multiple for the hydrogen and the chlorine, which in this case is six. So there&#x27;s 1/6 that goes here, and when I put to get a six over here, I have to multiply by three and have to multiply by two here, which also multiplies the aluminum by two So subsequently to balance, I have to multiply this by two as well. So it&#x27;s to a L plus six hcl makes to a L C L three plus three h two.

Kaitlynn Wade · Answer

in this video, I&#x27;ll be showing you how to cumber a chemical equation that is balanced already into a word sentence. And so, for our first example, it&#x27;s the 1st 1 up here was going to get a textbook box ready, so that would be easier. So the first thing that you need to look at is the coefficients. And so in this 1st 1 we have zinc sulfide or the N s. And there&#x27;s two moles in front of it, or that&#x27;s the coefficient. And so you start by saying to Molly Cools, and then you look at the state of matter. The state of matter is in Corinth theses after the formula, and it&#x27;s usually lower case and so S is solid to do two molecules of solid, and then the next one is zinc sulfide. And so you always start with the first element first, and so it&#x27;s a sink, and then the 2nd 1 is so for present, it&#x27;s the 2nd 1 You would change the ending to a ID and so be so fine. The two molecules of solid drink so fried will react with oh to gas. So you&#x27;ll say, exactly reacted with three molecules since God is or coat coefficient of 02 which is oxygen France. And then you can either say will yield will produce or anything to illustrate the arrow, Understand, Say, will produce. And then you just keep going again. Two molecules of solid because it has a little less lower case after Z eno of solid zinc oxide. As I mentioned before, you change the ending to it, I&#x27;d and running off the screen here and to I&#x27;m going to create another cuts box to finish this in France and to molecules of so for dioxide. That&#x27;s and so I got. So for from the S and Dioxide is from the 02 And so there we get die from its to. If there was one oxygen, it would be monoxide or if there it was 03 it would be trial excited. And so just remember that Di equals two, since there&#x27;s too oxygen&#x27;s right there. So for guests and that is how you put that equation into a sentence. So let&#x27;s look at another one. And so the next one here, my textbooks rocks ready, starts with one molecule, so there&#x27;s not a number in front of calcium, but it&#x27;s just assumed one molecule, so it has set one molecule, uh, see A. It&#x27;s calcium, which you can get from, or one molecule of solid. I think it&#x27;s a car calcium, since it&#x27;s the first element. And then you have too hard Children&#x27;s, which will be hydroxide or excuse me, hydride. And then it will react with two molecules of liquid water to produce to illustrate the arrow. Go produce one molecule of calcium hydroxide and you don&#x27;t. You wouldn&#x27;t have to say this to here because it&#x27;s understand to cause calcium has a plus two and then going back or attacks. Sorry here, guys. Brookside and two molecules, um, hydrogen gas. So it was usually easier to add if it&#x27;s a brashest state of matter to add guess at the end. And so this Try one more example. This one starts with a G No. Three, and it a G is silver, as you can probably see in your periodic table. And so again, we start off with one molecule, since there is an understood one right here. So one molecule of silver, right, great and in other three is one of the exceptions or unique compounds that are made that will be really easy to look up. And I&#x27;m just realizing we didn&#x27;t add an Enquist. One molecule of Aquarius overnight rate remainders is that I&#x27;m everyone&#x27;s way Nitrite and one molecule, uh, acquiesce again are is indicated in the A Q lower case in parentheses after the K I and A. G and 03 So the formulas and K is potassium, so great potassium and then by is would be Io died. It&#x27;s the second when you add that I&#x27;d be in and then again say, we&#x27;ll produce or you just to illustrate the arrow and that you&#x27;re going from. The reaction to the products will produce solid silver I O died and and Aquarius, Potassium Ni Rectory. No, let&#x27;s move this over. Well, did it go past potassium nitrate? And that&#x27;s how you put equations in two sentences. And I would just suggest to keep practicing in the morning. You practice, the better you

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