本题目来源于试卷: Physics Unit15: Laws of Thermodynamics,类别为 国际高中通用物理
[单选题]
An ideal gas is expanded isothermally from 20 L 7y4ph0nlwvi*wa6 0s:p yj,4ar ke7 q kto 30 L. D1ejm v.8 x3 1m3g,xa4vzvu w .m-qzhxkuring this process, 6 J of energy is expended by the externa1vx3h8 kzjg1wqeu . 3vvxx4-.zmm,a m l mechanism that expanded the gas. Which of the following statements is correct?
A. 6 J of energy flow from surroundings into the gas.
B. 6 J of energy flow from the gas into the surroundings.
C. No energy flows into or from the gas since this process is isothermal.
D. None of the above statements is correct.
参考答案: A
本题详细解析:
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