1. A thermometer indicates 98.6°. This probably corresponds to: a)sitting in a c
ID: 1545795 • Letter: 1
Question
1. A thermometer indicates 98.6°. This probably corresponds to:
a)sitting in a comfortable room
b)it is impossible to tell without knowing the scale being used
c)the termperature of liquid nitrogen
d)being outdoors on a cold day
e)burning your mouth on a cup of hot coffee from McDonald's
f)the temperature in a healthy person's mouth
2. In the free expansion of a gas,
a)the work done, the heat transfer, and the change in internal energy all are zero
b)the work done is zero but the heat transfer and change in internal energy may not be zero
c)the heat transfer is zero but the work done and the change in internal energy may not be zero
d)the change in internal energy is zero but the work done and the heat transfer may not be zero
e)the work done, the heat transfer, and the change in internal energy all may not be zero
3. A system undergoes an adiabatic process in which its internal energy increases by 20 J. Which of the following statements is true?
a)20 J of work was done by the system
b)the system received 20 J of energy as heat
c)20 J of work was done on the system
d)none of these are true
Explanation / Answer
#1
f)the temperature in a healthy person's mouth
#2
a)the work done, the heat transfer, and the change in internal energy all are zero
#3
c)20 J of work was done on the system
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