Question 1

What volume of ammonia gas,NH3,in liters is produced at STP by the complete reaction of 100 g of nitrogen,N2,with excess hydrogen? N2 + 3H2 S1U1P1$\circ$S1S1P0 2NH3

Accepted Answer

A)  74.7 
B)  747 
C)  62.5 
D)  160 
A)  74.7 
B)  747 
C)  62.5 
D)  160

Question 2

The reason that helium can be used in balloons to make them rise in air is that helium expands a great deal more than is predicted by the ideal gas law.

Accepted Answer

A) True 
 B)False

Question 3

Small compressibility 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 4

A 5.00 liter sample of gas measured at 27.0°C and 1.25 atm of pressure has a mass of 10.13 g.What is the molecular weight of the gas in u?

Accepted Answer

A)  39.9 
B)  0.898 
C)  2.57 
D)  2.50 *10-2 
A)  39.9 
B)  0.898 
C)  2.57 
D)  2.50 *10-2

Question 5

Given the following: heat of fusion of ice = 80.0 cal/g;specific heat of ice = 0.480 cal/g;and specific heat of water = 1.00 cal/g.Calculate the amount of heat required to melt 30.0 g of ice at 0S1U1P1$\circ$S1S1P0C.

Accepted Answer

A)  14.4 cal 
B)  2.41 cal 
C)  80.0 cal 
D)  2.40 kcal 
A)  14.4 cal 
B)  2.41 cal 
C)  80.0 cal 
D)  2.40 kcal

Question 6

Which of the following is an exothermic process?

Accepted Answer

A)  sublimation 
B)  melting 
C)  evaporation 
D)  condensation 
A)  sublimation 
B)  melting 
C)  evaporation 
D)  condensation

Question 7

Calculate the kinetic energy of a 0.500 g particles traveling at 5.50 cm/s.

Accepted Answer

A)  2.75 g cm2/s2 
B)  7.56 g cm2/s2 
C)  51.1 g cm2/s2 
D)  6.88 g cm2/s2 
A)  2.75 g cm2/s2 
B)  7.56 g cm2/s2 
C)  51.1 g cm2/s2 
D)  6.88 g cm2/s2

Question 8

Which of the following would be an example of potential energy?

Accepted Answer

A)  an avalanche 
B)  chemical reaction 
C)  a new lithium battery 
D)  diffusion 
A)  an avalanche 
B)  chemical reaction 
C)  a new lithium battery 
D)  diffusion

Question 9

The deposition of water vapor occurs when frost forms on a window.The correct equation to represent this phase change is _____ .

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

What volume of ammonia gas,NH₃,in liters is produced at STP by the complete reaction of 100 g of nitrogen,N₂,with excess hydrogen? N₂ + 3H₂ ^$\circ$ 2NH₃

The reason that helium can be used in balloons to make them rise in air is that helium expands a great deal more than is predicted by the ideal gas law.

Small compressibility is a characteristic of which state of matter?

A 5.00 liter sample of gas measured at 27.0°C and 1.25 atm of pressure has a mass of 10.13 g.What is the molecular weight of the gas in u?

Given the following: heat of fusion of ice = 80.0 cal/g;specific heat of ice = 0.480 cal/g;and specific heat of water = 1.00 cal/g.Calculate the amount of heat required to melt 30.0 g of ice at 0^$\circ$C.

Which of the following is an exothermic process?

Calculate the kinetic energy of a 0.500 g particles traveling at 5.50 cm/s.

Which of the following would be an example of potential energy?

The deposition of water vapor occurs when frost forms on a window.The correct equation to represent this phase change is _____ .

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

Exam 6: The States of Matter

What volume of ammonia gas,NH3,in liters is produced at STP by the complete reaction of 100 g of nitrogen,N2,with excess hydrogen? N2 + 3H2 ∘\circ∘ 2NH3

The reason that helium can be used in balloons to make them rise in air is that helium expands a great deal more than is predicted by the ideal gas law.

Small compressibility is a characteristic of which state of matter?

A 5.00 liter sample of gas measured at 27.0°C and 1.25 atm of pressure has a mass of 10.13 g.What is the molecular weight of the gas in u?

Given the following: heat of fusion of ice = 80.0 cal/g;specific heat of ice = 0.480 cal/g;and specific heat of water = 1.00 cal/g.Calculate the amount of heat required to melt 30.0 g of ice at 0 ∘\circ∘ C.

Which of the following is an exothermic process?

Calculate the kinetic energy of a 0.500 g particles traveling at 5.50 cm/s.

Which of the following would be an example of potential energy?

The deposition of water vapor occurs when frost forms on a window.The correct equation to represent this phase change is _____ .

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

What volume of ammonia gas,NH₃,in liters is produced at STP by the complete reaction of 100 g of nitrogen,N₂,with excess hydrogen? N₂ + 3H₂ ^$\circ$ 2NH₃

Given the following: heat of fusion of ice = 80.0 cal/g;specific heat of ice = 0.480 cal/g;and specific heat of water = 1.00 cal/g.Calculate the amount of heat required to melt 30.0 g of ice at 0^$\circ$C.