Q: Which of the following is the correct net ionic equation for the reaction between aqueous solutions of silver nitrate and sodium chloride?

$$\text{Ag}^+ (aq) + \text{Cl}^- (aq) \rightarrow \text{AgCl} (s)$$

Question 1

Which of the following best describes the process of balancing a chemical equation?

Accepted Answer

Adjusting the coefficients in front of compounds to ensure the same number of each atom on both sides

Question 2

A sample contains 0.5 mol of NaCl. What is the mass of this sample? $$(	ext{Na} = 23.0\ 	ext{g/mol},\ 	ext{Cl} = 35.5\ 	ext{g/mol})$$

Accepted Answer

$$29.25\ 	ext{g}$$

Question 3

Which of the following statements about ionic and covalent bonds is correct?

Accepted Answer

Ionic bonds involve the transfer of electrons from a metal to a nonmetal.

Question 4

What is the electron configuration for a neutral atom of phosphorus $$(Z = 15)$$?

Accepted Answer

$$1s^2$$\ $$2s^2$$\ $$2p^6$$\ $$3s^2$$\ $$3p^3$$

Question 5

Which of the following best explains why water $$(	ext{H}_2	ext{O})$$ has a bent molecular geometry?

Accepted Answer

The lone pairs on the oxygen atom repel the bonding pairs, causing a bent shape.

Question 6

A reaction has a theoretical yield of $$10.0\ 	ext{g}$$ but produces only $$7.5\ 	ext{g} of $$product. What is the percent yield?

Accepted Answer

$$75\%$$

Question 7

Which of the following elements has the highest electronegativity?

Accepted Answer

Fluorine

Question 8

Which quantum number describes the shape of an orbital?

Accepted Answer

Angular momentum quantum number $$(l)$$

Question 9

A compound contains $$40.0\%$$ carbon, $$6.7\%$$ hydrogen, and $$53.3\%$$ oxygen by mass. What is its empirical formula?

Accepted Answer

$$	ext{CH}_2	ext{O}$$

Question 10

Which of the following best describes a redox reaction?

Accepted Answer

A reaction in which electrons are transferred from one species to another

Question 11

Which of the following is the correct Lewis structure for carbon dioxide $$(	ext{CO}_2)$$?

Accepted Answer

O=C=O, with each oxygen atom having two lone pairs

Question 12

Which of the following best explains why sodium chloride $$(	ext{NaCl})$$ conducts electricity when dissolved in water?

Accepted Answer

NaCl dissociates into ions, which move freely and carry charge

Question 13

Which of the following is a correct statement about periodic trends?

Accepted Answer

Ionization energy decreases down a group

Question 14

A solution is prepared by dissolving $$5.0\ 	ext{g} of $$NaOH in enough water to make $$250\ 	ext{mL} of $$solution. What is the molarity of the solution? $$(	ext{NaOH} = 40.0\ 	ext{g/mol})$$

Accepted Answer

$$0.20\ 	ext{M}$$

Question 15

Which of the following best describes the AXE notation for the molecular geometry of ammonia $$(	ext{NH}_3)$$?

Accepted Answer

AX3E1

Question 16

Which of the following is the correct net ionic equation for the reaction between aqueous solutions of silver nitrate and sodium chloride?

Accepted Answer

$$	ext{Ag}^+ (aq) + 	ext{Cl}^- (aq) ightarrow 	ext{AgCl} (s)$$

General Chemistry Final Exam Study Guide

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드