H vapor= 40.7 kj/mol

http://en.wikipedia.org/wiki/Clausius-Clapeyron_re…

ln (p1/p2) =( dH / R) (1/T2 – 1/T1)

ln (760 Torr /520Torr) =( 40,700 Joules / 8.314 J mol−1K-1)(1/T2 – 1/373K)

ln (1.4615) =( 4895.35)(1/T2 – 0.002681)

0.37946 = 4895.35/T2 – (0.002681)(4895.35)

0.37946 = 4895.35/T2 – (13.124)

0.37946 + 13.124 = 4895.35/T2

13.5039 = 4895.35/T2

T2 = 4895.35 / 13.5039

T2 = 362.51

your answer is 362.51 Kevlvin

– 273

your answer is also 89.5 Celsius

likely should be rounded off to (0 Celsius)

What Is 520

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