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1845年焦耳完成了气体做自由膨胀的过程，下列哪种说法是正确的？ In 1845 Joule completed the process of free expansion of gases, which of the following statements is true？
A．体积增大，压强增大，温度升高； The volume goes up, the pressure goes up, the temperature goes up;
B．体积增大，压强增大，温度降低； The volume goes up, the pressure goes up, the temperature goes down;
C．体积增大，压强增大，温度不变； The volume goes up, the pressure goes up, the temperature stays the same;
D．体积增大，压强减小，温度不变； The volume goes up, the pressure goes down, the temperature stays the same;
参考答案和解析
B
更多 “1845年焦耳完成了气体做自由膨胀的过程，下列哪种说法是正确的？ In 1845 Joule completed the process of free expansion of gases, which of the following statements is true？A．体积增大，压强增大，温度升高； The volume goes up, the pressure goes up, the temperature goes up;B．体积增大，压强增大，温度降低； The volume goes up, the pressure goes up, the temperature goes down;C．体积增大，压强增大，温度不变； The volume goes up, the pressure goes up, the temperature stays the same;D．体积增大，压强减小，温度不变； The volume goes up, the pressure goes down, the temperature stays the same;” 相关考题
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