Exam 3

Question 1

False

Answer 1

Units of energy include newtons, joules and calories

Question 2

Both ice melting and boiling point

Answer 2

Which of the following is an endothermic process?
A. both ice melting and boiling soup
B. ice melting
C. Boiling soup
D. Water freezing

Question 3

Energy lost by the system must be gained by the surroundings

Answer 3

What is the first a statement of the first law of thermodynamics

Question 4

J/K and J/C

Answer 4

The units of heat capacity are

Question 5

work being done by the system on the surroundings

Answer 5

For a given process at constant pressure, w is positive. This means that the process involves

Question 6

TRUE

Answer 6

Work equal force times distance

Question 7

Work

Answer 7

Defined as the energy used to to move an object against a force

Question 8

condensation of water vapor

Answer 8

Which of the following is an exothermic process

Question 9

gives off heat and does work

Answer 9

When a system ________, ΔE is always negative.

Question 10

No. Enthalpy is an extensive property

Answer 10

Is enthalpy an intensive property?