CHEM 162 FINAL WWU EXAM
QUESTIONS AND ANSWERS
During an ---- process, energy is transferred from the system to the surroundings -
Correct Answers -exothermic
Heat is best defined as - Correct Answers -energy transferred as a result of a
temperature difference
What is the term used to describe the energy released when chemical bonds form -
Correct Answers -Potential Energy
Which of the following is an endothermic process - Correct Answers -dry ice subliming
an endothermic process is best described as an energy transfer to the ---- from the --- -
Correct Answers -system, surroundings
What is the partial pressure of N2 in a gas mixture with a total pressure of 0.987 atm
when the partial pressure of O2 is 0.163 atm - Correct Answers -0.824 atm
The atmospheric pressure in the eye of a hurricane is found to be 26.6 inches of
mercury, which is equivalent to - Correct Answers -0.889 atm
In an experiment, 7.5 mol of chlorine gas is held in a 3.5 L container at 39C. What
pressure does the gas exert? if it is assumed to be ideal - Correct Answers -55 atm
What is unique about a state function - Correct Answers -The value depends only on
the initial and final values
Calculate the work performed on by a gas when it is compressed from 95.0 L to 10.5 L
under a constant pressure of 8.00 atm (101.3 J/1 L*atm) - Correct Answers -+68.5 kJ
A heating curve for some substances is shown below, where heat is added at a
constant rate of time. Which of the line segments represents the heating of a solid? -
Correct Answers -A
QUESTIONS AND ANSWERS
During an ---- process, energy is transferred from the system to the surroundings -
Correct Answers -exothermic
Heat is best defined as - Correct Answers -energy transferred as a result of a
temperature difference
What is the term used to describe the energy released when chemical bonds form -
Correct Answers -Potential Energy
Which of the following is an endothermic process - Correct Answers -dry ice subliming
an endothermic process is best described as an energy transfer to the ---- from the --- -
Correct Answers -system, surroundings
What is the partial pressure of N2 in a gas mixture with a total pressure of 0.987 atm
when the partial pressure of O2 is 0.163 atm - Correct Answers -0.824 atm
The atmospheric pressure in the eye of a hurricane is found to be 26.6 inches of
mercury, which is equivalent to - Correct Answers -0.889 atm
In an experiment, 7.5 mol of chlorine gas is held in a 3.5 L container at 39C. What
pressure does the gas exert? if it is assumed to be ideal - Correct Answers -55 atm
What is unique about a state function - Correct Answers -The value depends only on
the initial and final values
Calculate the work performed on by a gas when it is compressed from 95.0 L to 10.5 L
under a constant pressure of 8.00 atm (101.3 J/1 L*atm) - Correct Answers -+68.5 kJ
A heating curve for some substances is shown below, where heat is added at a
constant rate of time. Which of the line segments represents the heating of a solid? -
Correct Answers -A
