plz help me class 11 chemistry state of gasess
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Answer:
note: moles of gas is constant
now, p1 v1 = k ------- 1
p1 v1 = p2 v2
p2 = p1 v1 / v2 = 1bar * 20cm^3/50cm^3
therefore, the final pressure, p2 = 0.4bar