Question 1

Which of the following molecules cannot engage in hydrogen bonding?

Accepted Answer

A) CH4 
B) NH3 
C) H2O 
D) All of them can hydrogen bond. 
A) CH4 
B) NH3 
C) H2O 
D) All of them can hydrogen bond.

Question 2

The specific heat of ice is 0.480 cal/g°C. How much heat will it take to raise the temperature of 22.50 g of ice from -30.0 °C to -20.0°C?

Accepted Answer

A) 108 cal 
B) 216 cal 
C) 324 cal 
D) 469 cal 
A) 108 cal 
B) 216 cal 
C) 324 cal 
D) 469 cal

Question 3

In order to convert a pressure in atmospheres to torr, the following conversion factor should be used.

Accepted Answer

A) True 
 B)False

Question 4

Helium (He)is used to fill balloons and is stored in a metal cylinder with pressure gauges on the top.   For each of the following changes,fill the blank with one of the following terms to describe what happens to the pressure reading on the gauge.
-The cylinder was moved from the basement of the building to the fourth floor. The pressure reading _______________________.

Accepted Answer

remains constant
Rem

Question 5

The heat of vaporization of water is 540 cal/g. What mass of water at 100.0 °C can be vaporized by the addition of 55.0 kcal of heat?

Accepted Answer

A) 0.19 g 
B) 55 g 
C)    g 
D) 102 g 
A) 0.19 g 
B) 55 g 
C)    g 
D) 102 g

Question 6

Potassium phosphate, K3PO4, is a solid at room temperature and is soluble in water. Which of the following statements is correct?

Accepted Answer

A) K3PO4 is an electrolyte. 
B) K+ and PO43- ions are solvated by water. 
C) K3PO4 completely dissociates in water. 
D) All of the above are correct. 
A) K3PO4 is an electrolyte. 
B) K+ and PO43- ions are solvated by water. 
C) K3PO4 completely dissociates in water. 
D) All of the above are correct.

Question 7

Consider the following three substances.  
Enter the letter of the appropriate substance in the blank provided.If none applies,enter the word none.
-Substance____can function as a hydrogen bond acceptor but not a hydrogen bond donor.

Accepted Answer

The answer of Consider the following three substances.  
Enter...

Question 8

Below is the structure of the amino acid, serine. Four hydrogen atoms in the compound can form hydrogen bonds.

Accepted Answer

A) True 
 B)False

Question 9

Glycerol changes its shape to conform to its container and has a fairly high density. Glycerol is a:

Accepted Answer

A) solid. 
B) liquid. 
C) gaseous. 
D) either b or c 
A) solid. 
B) liquid. 
C) gaseous. 
D) either b or c

Question 10

Convert 0.662 atm to millibars.

Accepted Answer

A) 377 millibar 
B) 671 millibar 
C)    millibar 
D) 0.497 millibar 
A) 377 millibar 
B) 671 millibar 
C)    millibar 
D) 0.497 millibar

Question 11

Consider the image given below of a pair of ammonia molecules.Complete the following sentences using the appropriate terms listed below.   
covalent bond
hydrogen bond
ion-dipole attraction
donor
acceptor
-Each solid line in the figure represents a_______________________.

Accepted Answer

covalent b

Question 12

A metal gas cylinder is filled with compressed helium at a pressure 2.50 atm when the temperature is 37°C. What is the temperature in Celsius degrees when the pressure in the cylinder changes to 1.78 atm?

Accepted Answer

A) 162 °C 
B) -52 °C 
C) 221 °C 
D) 26 °C 
A) 162 °C 
B) -52 °C 
C) 221 °C 
D) 26 °C

Question 13

Filling the blank with the appropriate term from the list below.
Charles's
Boyle's
Guy-Lussac's
Combined Gas
-A sample of helium gas is 1.00 atm. If you change the temperature of the sample from 40°C to 110°C and decrease the volume of the container, the resulting pressure can be calculated using ____________________ law.

Accepted Answer

Combined G

Question 14

On a stove we have two pots of water at the boiling point. Pot 1 contains 1 L of water and pot 2 contains 2 L of water. Which of the following statements is true?

Accepted Answer

A) Pot 2 is at a higher temperature than pot 1. 
B) Pot 2 has a larger thermal energy content than pot 1. 
C) Both have the same thermal energy content. 
D) Both a are b are true. 
A) Pot 2 is at a higher temperature than pot 1. 
B) Pot 2 has a larger thermal energy content than pot 1. 
C) Both have the same thermal energy content. 
D) Both a are b are true.

Question 15

Consider a bowling ball with the same diameter and volume as a soccer ball. Both are sitting still on the top of table. Both have the same potential energy.

Accepted Answer

A) True 
 B)False

Question 16

Oxygen, nitrogen and helium are present in a container in which the total pressure is 735 torr. If the pressure of oxygen is 135 torr, that of helium is 55 torr, the pressure of nitrogen is 545 torr.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is the strongest intermolecular attractive force?

Accepted Answer

A) ion-ion attractions 
B) dipole-dipole attractions 
C) dispersion forces 
D) hydrogen bonds 
A) ion-ion attractions 
B) dipole-dipole attractions 
C) dispersion forces 
D) hydrogen bonds

Question 18

Helium (He)is used to fill balloons and is stored in a metal cylinder with pressure gauges on the top.   For each of the following changes,fill the blank with one of the following terms to describe what happens to the pressure reading on the gauge.
-The 175 g of He was added to the cylinder. The pressure reading ______________________.

Accepted Answer

The answer of Helium (He)is used to fill balloons and...

Question 19

Which of the following best describes the relationship of molecules in a liquid with those in a gas at the same temperature?

Accepted Answer

A) Molecules in the liquid are much closer together than those in the gas. 
B) Molecules in the liquid have less kinetic energy than those in the gas. 
C) Molecules in the liquid are moving faster than those in the gas on the average. 
D) Both a and b are correct. 
E) All of the above are correct. 
A) Molecules in the liquid are much closer together than those in the gas. 
B) Molecules in the liquid have less kinetic energy than those in the gas. 
C) Molecules in the liquid are moving faster than those in the gas on the average. 
D) Both a and b are correct. 
E) All of the above are correct.

Question 20

Butane is a gas at room temperature (25 °C). The boiling point of butane is probably greater than 25 °C.

Accepted Answer

A) True 
 B)False

Which of the following molecules cannot engage in hydrogen bonding?

The specific heat of ice is 0.480 cal/g°C. How much heat will it take to raise the temperature of 22.50 g of ice from -30.0 °C to -20.0°C?

In order to convert a pressure in atmospheres to torr, the following conversion factor should be used.

The heat of vaporization of water is 540 cal/g. What mass of water at 100.0 °C can be vaporized by the addition of 55.0 kcal of heat?

Potassium phosphate, K₃PO₄, is a solid at room temperature and is soluble in water. Which of the following statements is correct?

Consider the following three substances. Enter the letter of the appropriate substance in the blank provided.If none applies,enter the word none. -Substance____can function as a hydrogen bond acceptor but not a hydrogen bond donor.

Below is the structure of the amino acid, serine. Four hydrogen atoms in the compound can form hydrogen bonds.

Glycerol changes its shape to conform to its container and has a fairly high density. Glycerol is a:

Convert 0.662 atm to millibars.

Consider the image given below of a pair of ammonia molecules.Complete the following sentences using the appropriate terms listed below. covalent bond hydrogen bond ion-dipole attraction donor acceptor -Each solid line in the figure represents a_______________________.

A metal gas cylinder is filled with compressed helium at a pressure 2.50 atm when the temperature is 37°C. What is the temperature in Celsius degrees when the pressure in the cylinder changes to 1.78 atm?

On a stove we have two pots of water at the boiling point. Pot 1 contains 1 L of water and pot 2 contains 2 L of water. Which of the following statements is true?

Consider a bowling ball with the same diameter and volume as a soccer ball. Both are sitting still on the top of table. Both have the same potential energy.

Oxygen, nitrogen and helium are present in a container in which the total pressure is 735 torr. If the pressure of oxygen is 135 torr, that of helium is 55 torr, the pressure of nitrogen is 545 torr.

Which of the following is the strongest intermolecular attractive force?

Which of the following best describes the relationship of molecules in a liquid with those in a gas at the same temperature?

Butane is a gas at room temperature (25 °C). The boiling point of butane is probably greater than 25 °C.

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: An Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

Exam 4: Energy and Physical Properties

Which of the following molecules cannot engage in hydrogen bonding?

The specific heat of ice is 0.480 cal/g°C. How much heat will it take to raise the temperature of 22.50 g of ice from -30.0 °C to -20.0°C?

In order to convert a pressure in atmospheres to torr, the following conversion factor should be used.

The heat of vaporization of water is 540 cal/g. What mass of water at 100.0 °C can be vaporized by the addition of 55.0 kcal of heat?

Potassium phosphate, K3PO4, is a solid at room temperature and is soluble in water. Which of the following statements is correct?

Consider the following three substances. Enter the letter of the appropriate substance in the blank provided.If none applies,enter the word none. -Substance____can function as a hydrogen bond acceptor but not a hydrogen bond donor.

Below is the structure of the amino acid, serine. Four hydrogen atoms in the compound can form hydrogen bonds.

Glycerol changes its shape to conform to its container and has a fairly high density. Glycerol is a:

Convert 0.662 atm to millibars.

Consider the image given below of a pair of ammonia molecules.Complete the following sentences using the appropriate terms listed below. covalent bond hydrogen bond ion-dipole attraction donor acceptor -Each solid line in the figure represents a_______________________.

A metal gas cylinder is filled with compressed helium at a pressure 2.50 atm when the temperature is 37°C. What is the temperature in Celsius degrees when the pressure in the cylinder changes to 1.78 atm?

On a stove we have two pots of water at the boiling point. Pot 1 contains 1 L of water and pot 2 contains 2 L of water. Which of the following statements is true?

Consider a bowling ball with the same diameter and volume as a soccer ball. Both are sitting still on the top of table. Both have the same potential energy.

Oxygen, nitrogen and helium are present in a container in which the total pressure is 735 torr. If the pressure of oxygen is 135 torr, that of helium is 55 torr, the pressure of nitrogen is 545 torr.

Which of the following is the strongest intermolecular attractive force?

Which of the following best describes the relationship of molecules in a liquid with those in a gas at the same temperature?

Butane is a gas at room temperature (25 °C). The boiling point of butane is probably greater than 25 °C.

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: An Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

Potassium phosphate, K₃PO₄, is a solid at room temperature and is soluble in water. Which of the following statements is correct?