PE Problem #14

7/23/2020

Of the following substances, which would have the greatest total heat output for the same amount of mass?
a. ethane
b. methanol
c. toulene
d. acetone

Solution | Posted 07/24/20

a. ethane; Of the four answers, ethane has the highest heat of combustion (the energy release per mass). Reference NCEES Table 11.4.3.

5 Comments

NinaB

7/23/2020 10:49:16 am

a.Hc=51.87 MJ/kg
methanol Hc=20 MJ/kg
toluene Hc=42.43 MJ/kg
acetone Hc=25.8 MJ/kg

Johnatan S

7/23/2020 11:08:30 am

A - Ethane

JOE

7/23/2020 11:29:20 am

Dr. Gouthamkumar link

7/24/2020 02:55:34 am

Toulene have the greatest total amount of heat output.

Heat of combustion of

Ethane 1560 kj/Mol

Methanol 726 kj/Mol

Acetone 1789 kj/Mol

Toluene 3910 kj/Mol

7/25/2020 04:51:41 am

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