ThermodynamicsHard

Question

Two moles of a monoatomic ideal gas is confined in a container and is heated such that its temperature increases by 10oC. The approximate change in the internal energy is
(R = 8.31J/mole-K)

Options

A.+ 250joules
B.+ 350jouiles
C.-250joules
D.+450joules

Solution

ᐃE = nRᐃT
= 2 × × 8.31 × 10 = 250 J

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