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$\bullet$ A gas in a cylinder is held at a constant pressure of $2.30 \times$ $10^{5}$ Pa and is cooled and compressed from 1.70 $\mathrm{m}^{3}$ to 1.20 $\mathrm{m}^{3} .$ The internal energy of the gas decreases by $1.40 \times 10^{5} \mathrm{J}.$(a) Find the work done by the gas. (b) Find the amount of the heat that flowed into or out of the gas, and state the direction (inward or outward) of the flow.
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Physics 101 Mechanics
Chapter 15
Thermal Properties of Matter
Temperature and Heat
The First Law of Thermodynamics
The Second Law of Thermodynamics
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