Problem

An unknown mass of each substance, initially at 2…

03:16

Problem 43 Medium Difficulty

Suppose that 25 g of each substance is initially at 27.0 C. What is the final temperature of each substance upon absorbing 2.35 kJ of heat?
a. gold
b. silver
c. aluminum
d. water

Answer

d.
$$
=49.5^{\circ} \mathrm{C}
$$

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Chemistry 102

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Video Transcript

in this question, which should that would have Ah. 25 grams so gold. Uh oh. Uh, see, uh uh, Armenia, huh? What? So the mass is trying five grounds, and we are told that the initial temperature t I is trying to sell in the great sell shares and we are looking for to find that temperature. And we're told that the ABS off 2.35 jewels off sweets, 2 25 little girls. It's the arms off the top soft, and that is cute. And it's going to be positive because it is observed. So you have thio drink about an equation that connects all this parameters to get it to be able to solve this question. And the question is Q This equals to M. C. S. The art of tea, right? We had dealt a T. Is that the final Rennes see in issue? So, uh, our cue here, his 2135 killed Joe's, Is it worse to the masses? Joins five grounds. But we need to convert this killer just Joe's because, um, we will have the specifications capacity in Joe's. So to convince killer just two jobs, we just multiplied by terrorists. Five. Cory, don't make it to being Joe. That must explain defying grams. It's a five grams. What you fly by. Um, so now we can choose the less that was gold. Okay, Get doing with gold in this case. So these CS on gold, The specifications capacity of gold. Yes. Um, you see, 0.1290 points once in I Jones ground. Particular cell she is. So this is much blood by 0.179 Joe's ground. BIGresearch sia's much of life by changing temperature. What you could see finer. That's asshole. We're looking for my nose to t initiates during the several degrees, so shares. So So you find out, Dan would be cost you 2.35 upstairs about three divided by 25. Divided by watching nine to the survey. 72 aides coins 68 lost 27 all in degree Celsius. Then this should give us so 55 points, six days degrees Celsius So down we can quiet and do the calculation for Seaver. So for silver, the C s, which is a special ticket capacity, is, um zero want you fall zero, You know, those grounds degree Celsius. So just write this equation. I substituted days with this. So this is victory 135 Um, stairs far. Three Joes issue forced you. 25 grams. Much of life by zero point. Chief floors, you know, Jos around the gristle. Shears want supplied by She have minus trying to seven degrees Celsius. So they find out that her job t f this case will be for one aides wines 67 degrees Celsius down can go ahead and do the wonderful hot medium. This specific it capacity of aluminium is 0.900 Jill, ground degree Celsius two this is 2.35 Time stands for our three equals two, um, masa straight five grams much applied by 0.900 Joe Ground, Greece sell shares much of flying by T final minus T initiation under great self years. So this is the 2.5 times there's about three 5.97 So a t fine. In this case Ah ha. Aluminium was the one that you won went four for decreased. So Shayes and, uh, the last one which is water this pacific, its capacity of water is 4.184 Joe's ground degree Celsius. So this is st 135 times stands 53 Jones. It's a question. 25 grounds. I want to live by four points. One inch fall. Jill's Graham, you great sell shares much of life, I d. Why? Nothing richer. Minus trying to seven degree sources and therefore we find that temperature in this case should be 49 0.466 147 c degrees Celsius, that is it.

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