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Questions  

If 2 moles of an ideal monoatomic gas at temperature T0  is mixed with 4 moles of another ideal monoatomic gas at temperature2T0 , then the temperature of the mixture is:

a
53T0
b
32T0
c
43T0
d
54T0

detailed solution

Correct option is A

n1=2;    n2=4 Let T be the temperature of mixtureU=U1+U2 f2(n1+n2)RT=f2n1RT0+f2n2R(2T0) (2+4)T=2T0+8T0           T=53T0

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