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The first law of thermodynamics says that the variation of internal energy of a gas is equal to the amount of heat Q supplied to the gas minus the work W done by the gas:The variation of internal energy of a gas is:As it can be seen, it depends only on the variation of temperature . Since for an isothermal process , then . This means that the first law of thermodynamics becomesand since the work done is 370 J, then the amount of heat is also 370 J: ....

Meet Synergy. My dad’s greatest creation.

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ajyoung3142005oztpya

23.05.2020

Physics

If this a question?

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monyeemonyee12

23.05.2020

Physics

cool

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Maddenmobile7625

15.11.2022

Physics

The first law of thermodynamics says that the variation of internal energy $\Delta U$ of a gas is equal to the amount of heat Q supplied to the gas minus the work W done by the gas:
$\Delta U = Q-W$

The variation of internal energy of a gas is:
$\Delta U = \frac{3}{2} n R \Delta T$
As it can be seen, it depends only on the variation of temperature $\Delta T$ . Since for an isothermal process $\Delta T=0$ , then $\Delta U=0$ . This means that the first law of thermodynamics becomes
Q=W

and since the work done is 370 J, then the amount of heat is also 370 J: Q=370 J

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