From the following heats of combustion 4 copyright

10. From the following heats of combustion,
4
Copyright © 2014 by Thomas Edison State College. All rights reserved.

o
H
Calculate the enthalpy of formation of methanol (CH
3
OH) from its elements.
11. Methanol (CH
3
OH) is an organic solvent and is also used as a fuel in some automobile
engines. From the following data, calculate the standard enthalpy of formation of
methanol:
(5 points)
o
12. A 44.0 g sample of unknown metal at 99.0 °C was placed in a constant-pressure
calorimeter, with a heat capacity of 12.4 J/°C, containing 80.0 g of water at 24.0°C.
The final temperature of the system was found to be 28.4 °C. Calculate the specific
heat of the metal. (10 points)
5
Copyright © 2014 by Thomas Edison State College. All rights reserved.