A cylinder with fixed capacity of 67.2 lit contains helium gas at STP. The amount of heat needed....

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A cylinder with fixed capacity of 67.2 lit contains helium gas at STP. The amount of heat needed to raise the temperature of the gas by 20°C is:[ [Given that R = 8.31 J  mol-1 K-1] 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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