A Sample of Helium Has a Volume of 2 $^{\circ}$ C,and a Pressure of 2

A sample of helium has a volume of 2.00 liters,a temperature of 20.0 $^{\circ}$ C,and a pressure of 2.50 atmospheres.What is the energy needed to heat the sample of helium gas from 20.0 $^{\circ}$ C to 95.0 $^{\circ}$ C at constant volume?

A) 88.0 J
B) 137 J
C) 175 J
D) 207 J
E) 476 J

Correct Answer:

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