the amount of work done by the gas system in increasing the volume of 10 moles of an ideal gas from 1L to 20L at 0℃ will be?A zeroB 3.49JC 3.49*10^4JD 6.79*10^4J这是AS题目=

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theamountofworkdonebythegassysteminincreasingthevolumeof10molesofanidealgasfrom1Lto20Lat0℃willbe?Aze

the amount of work done by the gas system in increasing the volume of 10 moles of an ideal gas from 1L to 20L at 0℃ will be?A zeroB 3.49JC 3.49*10^4JD 6.79*10^4J这是AS题目=
the amount of work done by the gas system in increasing the volume of 10 moles of an ideal gas from 1L to 20L at 0℃ will be?
A zero
B 3.49J
C 3.49*10^4J
D 6.79*10^4J
这是AS题目=

the amount of work done by the gas system in increasing the volume of 10 moles of an ideal gas from 1L to 20L at 0℃ will be?A zeroB 3.49JC 3.49*10^4JD 6.79*10^4J这是AS题目=
这是等温膨胀过程,系统内能变化为零,系统对气体所做的功等于系统从外界吸收的能量.
做功A= - ∫ p d V(从V1积分到V2)= - νRT ∫ (1/V)dV(从V1积分到V2)
对于10mol理想气体,ν=10,R是摩尔气体常量,T=0℃=273K.
代入上式可得.

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