A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50°C. If the helium behaves like an ideal gas, the total energy of the system is
a. 2.0 × 10^4 J.
b. 2.5 × 10^4 J.
c. 1.7 × 10^3 J.
d. 1.5 × 10^3 J.
e. 4.0 × 10^4 J.
a
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