What is the specific heat capacity of a metal if it requires 178.6 J to change the temperature of 15.0 g of
the metal from 25.00°C to 32.50°C?
A.
23.8 J/g°C
B.
1.59 J/g°C
C.
0.630 J/g°C
D.
291 J/g°C
E.
11.9 J/g°C

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See Chapter 05
Part 3 of 4 - Part 03
20.0/ 24.0 Points
Question 14 of 25
4.0/ 4.0 Points
`I'm looking at the barometer in my lab as I type this question. It says the pressure is 968 torr. What is this

pressure expressed in atm?

Question 15 of 25
4.0/ 4.0 Points
`Assume that all samples listed below have the same pressure and temperature. Which would have the
greatest volume?

1 gram of Ar
B.
all have the same volume
C.
1 gram of H
2
D.
1 gram of O
2
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The molar volumes of any ideal gas are equivalent when measured at the same temperature and pressure
(22.4 L at STP).
Question 16 of 25
0.0/ 4.0 Points
The pressure in a container has decreased by 10 times, while the volume increased by 5 times from the
original volume. The temperature now reads -123.15 °C. What was the starting temperature when I left (in
°C)?

-198°C
C.
300.°C
D.
27°C
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The PV product divided by the absolute temperature (K) is constant for a fixed amount of an ideal gas at
constant volume.
Question 17 of 25
4.0/ 4.0 Points
`I'm looking at the barometer in my lab as I type this question. It says the pressure is 760 torr. What is this
pressure expressed in mmHg?
A.
29.92 mmHg
B.
760
mmHg
C.
1 mmHg

D.
14.7 mmHg
Feedback:
In multi-step unit conversion problems, the given unit is canceled and in each successive step the next
unit in the sequence is produced, each canceling out until only the unit needed in the answer is left.