A Container with Rigid Walls Is Filled with 4 Mol

question 29

Multiple Choice

A container with rigid walls is filled with 4 mol of air with C_V = 2.5R.How much does the internal (thermal) energy change if the temperature of the air rises from 16°C to 437°C? The ideal gas constant is R = 8.314 J/mol ∙ K.

• A)35 kJ
• B)421 J
• C)3.5 kJ
• D)8.75 kJ

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