Do yourself – ii
For a solid silver, the molar heat capacity at constant pressure
Find heat content of silver at 1235K.
 , melting print of  .
Answer:  .
Illustration iii
Find the enthalpy change at 900k for the reaction
Component |
|
Cp J/mol K. |
CaO(s) |
634.3
|
49.62+(4.52x10-3T)-(6.95x105T-2) |
CO2(g) |
393.5 |
44.14+(9.04x10-3T)-(8.54x105T-2) |
CaCO3(s) |
1206.7 |
104.52+(21.9 2x10-3T)-(25.94x105T-2) |
|
 for reaction 1.
 joules.
'
Do yourself – iii
Calculate enthalpy of copper at 950K and the enthalpy increment for heating copper from 298 K to 950K
.
Enthalpy increment
Ans. enthalpy of  since  for Cu is zero.
|
