Calculate the mean heat capacity, Chemistry

a) Calculate the energy required to heat 1kg of CO2 from 400oC to 600oC at a constant pressure of 1atm using:-

i) The mean heat capacity data given below

ii) The heat capacity function:-

Cp = 6.393 + 10.1 x 10-3T - 3.405 x 10-6 T2

Where Cp is in cal/mol K and T is in K.

b) It is desired to calculate the standard hear of the reaction of:-

CH3Cl (g) + KOH (g) _ CH3OH (l) + KCl (s) (A)

Standard heats of formation for CH3Cl (g) and CH3OH (l) are not available but the data

available does include the standard heats of combustion of CH3Cl (g) and CH3OH (l). What

other physical data is required to find the heat of reaction (A)?


Mean Heat Capacity of CO2 (cal/mol oC)

Reference Temperature: 0oC; Pressure 1 atm

oC    cal/mol oC

0        8.595

200    9.590

400   10.360

600   10.965

Posted Date: 3/18/2013 6:59:52 AM | Location : United States

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