Write a balanced chemical equation for each of the following...

Name: Problem 21, Chapter 7: Chemistry: An Atoms-Focused Approach
Uploaded: 2020-09-17T11:57:25-08:00
Duration: 5 min 1 s
Channel: Reed Mckee
Description: Write a balanced chemical equation for each of the following reactions: a. Dinitrogen pentoxide reacts with sodium metal to produce sodium nitrate and nitrogen dioxide. b. A mixture of nitric acid and nitrous acid is formed when water reacts with dinitrogen tetroxide. c. At high pressure, nitrogen monoxide decomposes to dinitrogen monoxide and nitrogen dioxide.

Write a balanced chemical equation for each of the following reactions: a. Dinitrogen pentoxide reacts with sodium metal to produce sodium nitrate and nitrogen dioxide. b. A mixture of nitric acid and nitrous acid is formed when water reacts with dinitrogen tetroxide. c. At high pressure, nitrogen monoxide decomposes to dinitrogen monoxide and nitrogen dioxide.

Write a balanced chemical equation for each of the following reactions:
a. Dinitrogen pentoxide reacts with sodium metal to produce sodium nitrate and nitrogen dioxide.
b. A mixture of nitric acid and nitrous acid is formed when water reacts with dinitrogen tetroxide.
c. At high pressure, nitrogen monoxide decomposes to dinitrogen monoxide and nitrogen dioxide.

Key Concepts

Chemical Equation Balancing

This concept involves ensuring that the number of atoms for each element is the same on both sides of a chemical reaction. It is based on the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. Balancing chemical equations requires adjusting the coefficients in front of chemical formulas to achieve equal counts of atoms for each element among reactants and products.

Stoichiometry

Stoichiometry is the study of the quantitative relationships between reactants and products in a chemical reaction. It involves using the balanced chemical equation to calculate the proportions of substances consumed and produced, ensuring that the mass and number of atoms are conserved. This concept is crucial for predicting the yields and determining the ratios in which chemicals react.

Conservation of Mass

The principle of conservation of mass is a fundamental concept in chemistry, stating that the total mass of the reactants in a chemical reaction must equal the total mass of the products. This principle underpins the process of balancing equations by ensuring that atoms are neither lost nor gained during the reaction.

Reaction Type Identification

Identifying the type of chemical reaction—such as synthesis, decomposition, or redox—is important for understanding the processes at play. Different reaction types may require specific strategies for balancing equations, as they involve distinct patterns of atom rearrangement and electron transfer.

Redox Reactions

Redox reactions, or oxidation-reduction reactions, involve the transfer of electrons between reactants. Recognizing these reactions is crucial because the balancing process often requires separate consideration of the oxidation and reduction components. This ensures that both the mass and the charge are balanced in the overall chemical equation.

Transcript

00:01 Alright, so let's balance a few chemical equations.

00:05 I told that di -nitrogen pentoxide reacts with sodium metal to produce sodium nitrate and nitrogen dioxide.

00:13 So, dye -nitrogen, that's n2, pentoxide, which is 05, and we need to put that that's a gas.

00:28 It's going to react with sodium, which is a solid.

00:34 And this will produce sodium nitrate and nitrogen dioxide nitrate is an n -o -3 group so sodium nitrate will be n -a n -o -3 and this is going to be a solid and then next we have nitrogen dioxide simply n -o -2 so we need to make sure this equation is balanced so on the left side, you can see that we have two nitrogen.

01:23 We have one, two nitrogen on the right.

01:26 Five oxygen on the left, three from the nitrate, two from the dioxide.

01:30 So that's five on the right as well.

01:33 And then, yeah, let me put that this as a gas.

01:37 Always remember to put your states of matter.

01:39 And then finally we have one sodium on the left, one sodium on the right.

01:43 So this is our balanced chemical equation.

01:47 Next, we're told a mixture of nitric acid and nitrous acid formed when water reacts with dinitrogen tetroxide.

01:59 Now, since we're forming nitric and nitrous acid, these compounds are going to be on the product side of the equation.

02:08 So let's go ahead and draw our arrow here.

02:13 And nitric acid is going to be an acid.

02:19 So it's going to have a hydrogen in it...