1.5 moles of ideal as and was kept in a 0.05 m3 container and was heated.
now 2.5 moles of ideal gas is used instead,
what is the change of the slope of the pressure-temp relationship line??
f.5 physics gas
2013-02-23 7:42 am
回答 (1)
2013-02-23 9:06 am
✔ 最佳答案
Use ideal gas equation: PV = nRTHence, P = (nR/V).T
A plot of P against T gives a straight line with slope (nR/V)
When n = 1.5 moles, slope = 1.5R/V
When n = 2.5 moles, new slope = 2.5R/V
Change of slope = (2.5R/V - 1.5R/V) = R/V = 8.31/0.05 N/m^2.K = 166.2 N/m^2.K
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