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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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Section
BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

One mole of neon gas is heated from 300. K to 420. K at constant pressure. Calculate (a) the energy Q transferred to the gas, (b) the change in the internal energy of the gas, and (c) the work done on the gas. Note that neon has a molar specific heat of c = 20.79 J/mol · K for a constant-pressure process.

(a)

To determine
The energy transferred to the system.

Explanation

Given Info:

Initial temperature of the neon gas is 300K .

Finial temperature of the neon gas is 420K .

The amount of neon gas is 1mol .

Formula to calculate the energy transferred to the system is,

Q=mc(ΔT)

  • ΔT is the change in temperature
  • m is the amount of gas
  • c is the specific heat capacity of neon gas

Substitute 1mol for m, 20

(b)

To determine
The change in internal energy of the gas.

(c)

To determine
The work done on the gas

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