Chemistry, 05.07.2019 19:10, AdityaMathur
Calculate the change in the entropies of the system and the surroundings, and the total change in entropy, when a sample of nitrogen gas of 14 g at 298 k and 1.0 bar doubles its volume in (a) an isothermal reversible expansion, (b) an adiabatic reversible expansion. 3.13(b) calculate the change in the entropies of the system and the surroundings, and the total change in entropy, when the volume of a sample of argon gas of mass 21 g at 298 k and 1.50 bar increases from 1.20 dm to 4.60 dm in (a) an isothermal reversible expansion, (b) an isothermal irreversible expansion against pp 0, and (c) an adiabatic reversible expansion.
Answers: 3
Chemistry, 22.06.2019 15:00, kandi2565
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ยบc and rises to an altitude where its volume is twenty times the original volume and its temperature is โ 50.0ยบc ?
Answers: 2
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