A cylinder of volume 0.320 m3 contains 10.5 mol of neon gas at 17.4°C. Assume neon behaves as an ideal gas. (a) What is the pressure of the gas? Pa (b) Find the internal energy of the gas. J (c) Suppose the gas expands at constant pressure to a volume of 1.000 m3. How much work is done on the gas? J
A cylinder of volume 0.320 m3 contains 10.5 mol of neon gas at 17.4°C. Assume neon behaves as an ideal gas. (a) What is the pressure of the gas? Pa (b) Find the internal energy of the gas. J (c) Suppose the gas expands at constant pressure to a volume of 1.000 m3. How much work is done on the gas? J
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter21: Heat And The First Law Of Thermodynamics
Section: Chapter Questions
Problem 76PQ
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A cylinder of volume 0.320 m3 contains 10.5 mol of neon gas at 17.4°C. Assume neon behaves as an ideal gas.
(a) What is the pressure of the gas?
Pa
(b) Find the internal energy of the gas.
J
(c) Suppose the gas expands at constant pressure to a volume of 1.000 m3. How much work is done on the gas?
J
(d) What is the temperature of the gas at the new volume?
K
(e) Find the internal energy of the gas when its volume is 1.000 m3.
J
(f) Compute the change in the internal energy during the expansion.
J
(g) Compute ΔU − W.
J
(h) Must thermal energy be transferred to the gas during the constant pressure expansion or be taken away?
(i) Compute Q, the thermal energy transfer.
J
(j) What symbolic relationship between Q, ΔU, and W is suggested by the values obtained?
Pa
(b) Find the internal energy of the gas.
J
(c) Suppose the gas expands at constant pressure to a volume of 1.000 m3. How much work is done on the gas?
J
(d) What is the temperature of the gas at the new volume?
K
(e) Find the internal energy of the gas when its volume is 1.000 m3.
J
(f) Compute the change in the internal energy during the expansion.
J
(g) Compute ΔU − W.
J
(h) Must thermal energy be transferred to the gas during the constant pressure expansion or be taken away?
This answer has not been graded yet.
(i) Compute Q, the thermal energy transfer.
J
(j) What symbolic relationship between Q, ΔU, and W is suggested by the values obtained?
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