Lesson 5 Quiz

A pressurized vessel contains a gas that starts at 2.00 and volume of 3.4 ml. The volume increases to 4.6 ml. What is the new pressure? A.0.68 atm B.615 atm C.63.6 atm
Correct D.1.5 atm E.none of the above

Answer Key: D

Question 2 of 12 4.0/ 4.0 Points

What is the molar volume of a gas at STP.
Correct A.22.4 L B.16.0 L C.2.00 L D.6.02 L E.Not enough information to answer the question.

Answer Key: A

Question 3 of 12 4.0/ 4.0 Points

What is the equivalent pressure of 3.54 atm in units of mm Hg? A.840 B.1170
Correct C.2690 D.215 E.none of the above

Answer Key: C

Question 4 of 12 4.0/ 4.0 Points

What is the volume of a 0.59 mol of gas at a pressure of 2.2 atm and a temperature of 299 K ?
Correct A.6.6 L B.349 L C.520 L D.0.00287 L E.0.15 L

Answer Key: A

Question 5 of 12 4.0/ 4.0 Points

You can increase the vapor pressure of a liquid by: A.using a nonvolatile compound.
Correct B.increasing temperature. C.increasing the viscosity. D.establishing dynamic equilibrium. E.all of the above

Answer Key: B

Question 6 of 12 4.0/ 4.0 Points

Which statement is true about boiling water at locations that have an altitude above sea level? A.The vapor pressure will match the atmospheric pressure at a lower temperature. B.The atmospheric pressure is less than than 1 atm. C.The boiling point will decrease. D.A and B are correct.
Correct E.All are correct.

Answer Key: E

Question 7 of 12 4.0/ 4.0 Points

What types of forces exist between NO molecules? A.displacement forces B.hydrogen bonding C.ion-dipole forces
Correct D.dipole-dipole forces E.All of the above.

Answer Key: D

Question 8 of 12 4.0/ 4.0 Points

Which of the following statements is true about ionic solids?
Correct A.Ionic solids are held together by electrostatic attraction. B.Ionic solids have a lower melting point than molecular solids. C.An example of an ionic solid is CO2 (s). D.An ionic solid can form between two metals. E.All of the above statements are true.

Answer Key: A

Question 9 of 12 4.0/ 4.0 Points

A mothball can change directly from its solid phase to its gaseous phase. This process is known as: A.melting. B.condensation. C.deposition.
Correct D.sublimation. E.none of the above

Answer Key: D

Question 10 of 12 4.0/ 4.0 Points

Suppose you had a balloon containing 1 mole of helium at STP and a balloon containing 1 mole of oxygen at STP. Which statement is TRUE?
Correct A.The balloons will have the same volume. B.The balloons will have the same mass. C.Both A) and B) are true. D.Neither A) nor B) are true. E.not enough information

Answer Key: A