# Problem: You may want to reference(Pages 166 - 172)Section 5.2 while completing this problem.Calculate the change in internal energy of the following system: A 100.0- g bar of gold is heated from 25°C to 50°C during which it absorbs 322 J of heat. Assume the volume of the gold bar remains constant.

###### FREE Expert Solution

Change in Internal Energy:

$\overline{){\mathbf{∆}}{\mathbf{E}}{\mathbf{=}}{\mathbf{q}}{\mathbf{+}}{\mathbf{w}}}$

• q → (-) → heat is absorbed
• w =  0 → Volume is constant (isochoric)

$\mathbf{∆}\mathbf{E}\mathbf{=}\mathbf{+}\mathbf{q}\mathbf{+}\mathbf{0}$

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###### Problem Details

You may want to reference(Pages 166 - 172)Section 5.2 while completing this problem.

Calculate the change in internal energy of the following system: A 100.0- g bar of gold is heated from 25°C to 50°C during which it absorbs 322 J of heat. Assume the volume of the gold bar remains constant.