【Weekly Topic】【HVAC Version 20160505】
Thread Content
Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. There is a certain amount of ideal gas inside the cylinder. First, the gas undergoes isobaric expansion until its volume doubles; then it undergoes adiabatic expansion until its temperature returns to the initial value. Throughout this process, the change in the gas’s internal energy, ΔE, and the work done by the gas, W, are ( ). A. ΔE=0, W>0 B. ΔE=0, W=0, W>0 D. ΔE
A、、、、、、、、、、
A, △E=0, W>0
A, △E=0, W>0
There is a certain amount of ideal gas inside the cylinder. First, the gas undergoes isobaric expansion until its volume doubles; then it undergoes adiabatic expansion until its temperature returns to the initial value. Throughout this process, the change in the gas’s internal energy, ΔE, and the work done by the gas, W, are (A) A. ΔE=0, W>0 B. ΔE=0, W=0, W>0 D. ΔE
There is a certain amount of ideal gas inside the cylinder. First, the gas undergoes isobaric expansion until its volume doubles; then it undergoes adiabatic expansion until its temperature returns to the initial value. Throughout this process, the change in the gas’s internal energy, ΔE, and the work done by the gas, W, are (A) A. ΔE=0, W>0 B. ΔE=0, W=0, W>0 D. ΔE
There is a certain amount of ideal gas inside the cylinder. First, the gas undergoes isobaric expansion until its volume doubles; then it undergoes adiabatic expansion until its temperature returns to the initial value. Throughout this process, the change in the gas’s internal energy, ΔE, and the work done by the gas, W, are (A) A. ΔE=0, W>0 B. ΔE=0, W=0, W>0 D. ΔE
A, △E=0, W>0