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A balloon initially contains 7 gram of Nitrogen and then 14 gram of nitrogen is added to the balloon expand its volume to 12 litre at the same temperature and pressure. Find the initial volume of the balloon.
Dear student For an ideal gasPV = nRTP* V1 = n1 *R*T P* V1 = (w1/m1) RTP V1 = (7/28)*RT .........(1) NowP*12 = (14/28) *RT .....(2) NowOn dividing equation 1 by equation 2.V1 = 6 litres Hence initial volume = 6 litres. RegardsArun (askIITians forum expert)
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