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November 01, 2025, 01:08:40 pm

Author Topic: Enthalpy  (Read 587 times)  Share 

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Enthalpy
« on: August 18, 2011, 06:00:41 pm »
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2A + B <-> 3C, enthalpy = -100.

What would the enthalpy of this equation be?
A + 0.5B <-> 1.5C

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Re: Enthalpy
« Reply #1 on: August 18, 2011, 06:01:53 pm »
+1
-50 kJ/mol

Just half it

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Re: Enthalpy
« Reply #2 on: August 18, 2011, 06:20:54 pm »
+1
In a themochemical equation, the enthalpy is dependent on the amount of substance. For example, if you burnt 1 mole of substance to release 100kJ, then naturally burning half the amount will release half the energy.
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