Problem

Some vapor pressures of solid CO2 are: t‒120.0°C−110.0°C−100.0°C‒ 90.0°CP/torr9.8134.6310...

Some vapor pressures of solid CO2 are:

t

‒120.0°C

−110.0°C

−100.0°C

‒ 90.0°C

P/torr

9.81

34.63

104.81

279.5

(a) Find the average ΔHm of sublimation over this temperature range, (b) Find the vapor pressure at ‒75°C.

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Solutions For Problems in Chapter 7