Question 1

A pressure is recorded as 622 torr.What is this pressure in atm?

Accepted Answer

A)  1.22 
B)  0.818 
C)  5.17 
D)  0.0393 
A)  1.22 
B)  0.818 
C)  5.17 
D)  0.0393

Question 2

The temperature of a liquid is decreased.What happens to the vapor pressure of the liquid as a result?

Accepted Answer

A)  it increases 
B)  it decreases 
C)  it is not changed 
D)  varies over time 
A)  it increases 
B)  it decreases 
C)  it is not changed 
D)  varies over time

Question 3

Calculate the volume in liters of 3.50 moles of gas at STP.

Accepted Answer

A)  6.4 
B)  44.8 
C)  3.5 
D)  78.4 
A)  6.4 
B)  44.8 
C)  3.5 
D)  78.4

Question 4

The expansion of mercury in a thermometer is an endothermic reaction.

Accepted Answer

A) True 
 B)False

Question 5

A gas sample is collected in a balloon.What happens to the density of the gas sample as the sample is heated?

Accepted Answer

A)  decreases 
B)  increases 
C)  does not change 
D)  a variable change occurs 
A)  decreases 
B)  increases 
C)  does not change 
D)  a variable change occurs

Question 6

Which of the following influence the vapor pressure of liquids?

Accepted Answer

A)  polarity of liquid molecules 
B)  mass of liquid molecules 
C)  temperature of liquid 
D)  more than one response is correct 
A)  polarity of liquid molecules 
B)  mass of liquid molecules 
C)  temperature of liquid 
D)  more than one response is correct

Question 7

Which of the following gases is least likely to behave ideally?

Accepted Answer

A)  He 
B)  N2 
C)  HCl 
D)  H2 
A)  He 
B)  N2 
C)  HCl 
D)  H2

Question 8

The force resulting from particle motion is referred to as _____ .

Accepted Answer

A)  cohesive 
B)  chemical 
C)  nuclear 
D)  disruptive 
A)  cohesive 
B)  chemical 
C)  nuclear 
D)  disruptive

Question 9

Which of the following pairs of gases would diffuse at essentially the same rate?

Accepted Answer

A)  NO2 and NO 
B)  O2 and Ar 
C)  PH3 and C2H2 
D)  N2O and CO2 
A)  NO2 and NO 
B)  O2 and Ar 
C)  PH3 and C2H2 
D)  N2O and CO2

Question 10

Definite shape is a characteristic of which state of matter?

Accepted Answer

A)  solid 
B)  liquid 
C)  gaseous 
D)  more than one response is correct 
A)  solid 
B)  liquid 
C)  gaseous 
D)  more than one response is correct

Question 11

Which of the following correctly arranges the physical states of matter (gas - g,solid - s,liquid - l)in order of increasing energy of the particles (lowest to highest)?

Accepted Answer

A)  g < l < s 
B)  g < s < l 
C)  l < g < s 
D)  s < l < g 
A)  g < l < s 
B)  g < s < l 
C)  l < g < s 
D)  s < l < g

Question 12

Absolute zero is OS1U1P1$\circ$S1S1P0C.

Accepted Answer

A) True 
 B)False

Question 13

Convert a temperature of 210 K into Celsius degrees.

Accepted Answer

A)  (-63.0S1U1P1$\circ$S1S1P0
C)  
B)  (63.0S1U1P1$\circ$S1S1P0
C)  
C)  (242S1U1P1$\circ$S1S1P0
C)  
D)  (483S1U1P1$\circ$S1S1P0
C)  
A)  (-63.0S1U1P1$\circ$S1S1P0
C)  
B)  (63.0S1U1P1$\circ$S1S1P0
C)  
C)  (242S1U1P1$\circ$S1S1P0
C)  
D)  (483S1U1P1$\circ$S1S1P0
C)

Question 14

Ethylene dichloride is an effective cooling agent when allowed to evaporate.The heat of vaporization is 85.3 calories per gram.How much heat could be removed from the skin if 2.70 grams of ethylene dichloride were sprayed on and allowed to evaporate?

Accepted Answer

A)  31.6 cal 
B)  230 cal 
C)  0.00320 cal 
D)  0.00400 cal 
A)  31.6 cal 
B)  230 cal 
C)  0.00320 cal 
D)  0.00400 cal

Question 15

Consider the figure below which shows the compression phase of a piston in your car's engine.This is an example of which gas law?

Accepted Answer

A)  Charles' 
B)  Boyle's 
C)  Avagadro's 
D)  Dalton's 
A)  Charles' 
B)  Boyle's 
C)  Avagadro's 
D)  Dalton's

Question 16

Which of the following is not a standard condition (STP)for gas measurements?

Accepted Answer

A)  0S1U1P1$\circ$S1S1P0C 
B)  1.00 atm 
C)  273 K 
D)  1.00 torr 
A)  0S1U1P1$\circ$S1S1P0C 
B)  1.00 atm 
C)  273 K 
D)  1.00 torr

Question 17

Water has an unusually low specific heat.

Accepted Answer

A) True 
 B)False

Question 18

What volume in liters is occupied by 8.22 g of SO2 gas confined at a pressure of 1200 torr at 75.0S1U1P1$\circ$S1S1P0C? (hint: R = 0.0821 liter atm/mol K)

Accepted Answer

A)  0.499 
B)  4.22 * 101 
C)  2.32 
D)  32.1 
A)  0.499 
B)  4.22 * 101 
C)  2.32 
D)  32.1

Question 19

Near room temperature air has a density of 1.18 *10-3 g/mL.What volume will 30.77 g of air occupy?

Accepted Answer

A)  2.61 * 104 mL 
B)  3.63 * 10-2 mL 
C)  3.83 * 10-5 mL 
D)  3.08 * 101 mL 
A)  2.61 * 104 mL 
B)  3.63 * 10-2 mL 
C)  3.83 * 10-5 mL 
D)  3.08 * 101 mL

Question 20

Thermal expansion is a property only observed for the gaseous state of matter.

Accepted Answer

A) True 
 B)False

Exam 6: The States of Matter

A pressure is recorded as 622 torr.What is this pressure in atm?

The temperature of a liquid is decreased.What happens to the vapor pressure of the liquid as a result?

Calculate the volume in liters of 3.50 moles of gas at STP.

The expansion of mercury in a thermometer is an endothermic reaction.

A gas sample is collected in a balloon.What happens to the density of the gas sample as the sample is heated?

Which of the following influence the vapor pressure of liquids?

Which of the following gases is least likely to behave ideally?

The force resulting from particle motion is referred to as _____ .

Which of the following pairs of gases would diffuse at essentially the same rate?

Definite shape is a characteristic of which state of matter?

Which of the following correctly arranges the physical states of matter (gas - g,solid - s,liquid - l)in order of increasing energy of the particles (lowest to highest)?

Absolute zero is O ∘\circ∘ C.

Convert a temperature of 210 K into Celsius degrees.

Ethylene dichloride is an effective cooling agent when allowed to evaporate.The heat of vaporization is 85.3 calories per gram.How much heat could be removed from the skin if 2.70 grams of ethylene dichloride were sprayed on and allowed to evaporate?

Consider the figure below which shows the compression phase of a piston in your car's engine.This is an example of which gas law?

Which of the following is not a standard condition (STP)for gas measurements?

Water has an unusually low specific heat.

What volume in liters is occupied by 8.22 g of SO2 gas confined at a pressure of 1200 torr at 75.0 ∘\circ∘ C? (hint: R = 0.0821 liter atm/mol K)

Near room temperature air has a density of 1.18 *10-3 g/mL.What volume will 30.77 g of air occupy?

Thermal expansion is a property only observed for the gaseous state of matter.

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

Solutions and Colloids

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

Absolute zero is O^$\circ$C.

What volume in liters is occupied by 8.22 g of SO₂ gas confined at a pressure of 1200 torr at 75.0^$\circ$C? (hint: R = 0.0821 liter atm/mol K)

Near room temperature air has a density of 1.18 *10^-3 g/mL.What volume will 30.77 g of air occupy?