Heat , is supplied to moles of an ideal diatomic gas at temperature 7, which remains constant. How many moles of the gas are dissolved into atoms?
Let x moles of diatomic gas be associated, x moles of diatomic gas become 2x moles of a monoatomic gas after dissociation. Internal energy of n moles of an ideal gas
So, (Internal energy of 2x moles of a monoatomic gas + internal energy of (4 - x) moles of a diatomic gas) - internal energy of 4 moles of a diatomic gas
On solving, x = 3 moles.
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