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在人们创造历史的活动中,谋事在人,成事在天。答案:

A. 对
B. 错

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在社会发展中,人民群众是无知的芸芸众生,英雄人物才是历史的创造者。答案:

A. 对
B. 错

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1mol of monatomic (单原子) ideal gas changes from state A to B. If the process is unknown, but the pressures, volumes and temperatures at state A and B are known, we can find

A. the work done by the gas.
B. the change of the internal energy of the gas.
C. the heat transferred to the surroundings by the gas.
D. the mass of the gas.

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2mol of biatomic (双原子) ideal gas changes from state A to B. If the process is unknown, but the pressures, volumes and temperatures at state A and B are known, we can find

A. the work done by the gas.
B. the change of the internal energy of the gas.
C. the heat transferred to the surroundings by the gas.
D. the mass of the gas.

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For a system of an ideal gas, in which process of the following that the heat absorbed by the system, the change of the internal energy and the work done toward the surroundings are negative?

A. Isochoric (等体) and pressure decreasing process.
B. Isothermal (等温) and expanding process.
C. Adiabatic and expanding process.
D. Isobaric (等压) and compressed process

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在人们创造历史的活动中,谋事在人,成事在天。答案:

A. 对 B. 错

在社会发展中,人民群众是无知的芸芸众生,英雄人物才是历史的创造者。答案:

1mol of monatomic (单原子) ideal gas changes from state A to B. If the process is unknown, but the pressures, volumes and temperatures at state A and B are known, we can find

2mol of biatomic (双原子) ideal gas changes from state A to B. If the process is unknown, but the pressures, volumes and temperatures at state A and B are known, we can find

For a system of an ideal gas, in which process of the following that the heat absorbed by the system, the change of the internal energy and the work done toward the surroundings are negative?

A. 对
B. 错