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Chestermiller

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Using the first law of thermodynamics, how would you answer this question?

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well using the first law Q-W=ΔU, Q will equal to to ΔU+ W but i dont know how to calculate ΔUUsing the first law of thermodynamics, how would you answer this question?

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Chestermiller

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For one mole of an ideal gas, ##\Delta U =C_v(T_f-T_i)##. Now what?well using the first law Q-W=ΔU, Q will equal to to ΔU+ W but i dont know how to calculate ΔU

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why use Cv not Cp the system has constant pressure and variable volumeFor one mole of an ideal gas, ##\Delta U =C_v(T_f-T_i)##. Now what?

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Chestermiller

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The internal energy of an ideal gas is (a) a function of temperature only or (b) a function of temperature and volume (per unit mass)?why use Cv not Cp the system has constant pressure and variable volume

For constant pressure, what is the amount of work that is done?

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