Half a mole of helium at 27 0 C and at a pressure of 2 atmosphere is mixed with 1.5 mole of N 2 at 77 0 C and at a pressure at 5 atmosphere so that the volume of the mixture is equal to the sum of their initial volumes. If the temperature of the mixture is 69 0 C, its pressure in atmosphere is -
Text Solution
Verified by ExpertsThe correct answer is:
B
Apply V mix = V 1 + V 2
⇒ 
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