Absolute Entropy
Delta G sub f for Al203 = -1582 kJ/mol
delta H sub f for Al203 = -1676 kJ/mol
1. Calculate absolue entropy for S for oxygen (g) if:
S for Al(s) = 164 J/mol K
S for Al2O3 (s) = 51.0 J/mol K
2. Calculate the heat required to raise the temperature of 35.0 g of aluminum from 800 degrees C to 2600 degrees C
3. To calculate the standard heat of formation of C2H5OH Steps are
a) First write the reaction for the heat of formation of C2H5OH
b) Calculate delta S for the reaction
c) Calculate delta G for the reaction
d) Use the equation relating delta G, delta H and delta S to calculate delta H sub f of C2H5OH
https://brainmass.com/chemistry/energetics-and-thermodynamics/absolute-entropy-4308
Solution Summary
The solution answers each question with explanation. The last question is answered with a description of the step-by-step process. The attachment containing the answers is approximately 400 words long.