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Physics
Physics
Problem
Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from
20
∘
C
20^\circ\text{C}
2
0
∘
C
to
90
∘
C
90^\circ\text{C}
9
0
∘
C
. Work done by gas is close to: (Gas constant
R
=
8.31
J/mol-K
R = 8.31 \text{ J/mol-K}
R
=
8.31
J/mol-K
) a. 581 J b. 291 J c. 146 J d. 73 J
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