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Topic: Chemistry Enthalpy  (Read 2095 times)

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Offline t-rar

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Chemistry Enthalpy
« on: April 24, 2013, 07:19:08 PM »
i need help with chem H/W
When 1.1 g of Zinc is dissolved in excess hydrochloric  acid,2.6  kJ of heat is released.
 i have to find the Δ(delta)H of the reaction
Help

Offline Corribus

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Re: Chemistry Enthalpy
« Reply #1 on: April 24, 2013, 08:52:10 PM »
Nobody is going to just solve the problem for you.  You need to first explain what you have tried.
What men are poets who can speak of Jupiter if he were like a man, but if he is an immense spinning sphere of methane and ammonia must be silent?  - Richard P. Feynman

Offline t-rar

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Re: Chemistry Enthalpy
« Reply #2 on: April 25, 2013, 02:23:24 AM »
i need help with chem H/W
When 1.1 g of Zinc is dissolved in excess hydrochloric  acid,2.6  kJ of heat is released.
 i have to find the Δ(delta)H of the reaction
Help
I have found the mole ratio and i got the reaction the the balanced equation. but i cannot find how much heat was released
« Last Edit: April 25, 2013, 02:56:38 AM by Borek »

Offline Borek

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Re: Chemistry Enthalpy
« Reply #3 on: April 25, 2013, 02:58:37 AM »
I have found the mole ratio

Mole ratio of what?

Quote
i cannot find how much heat was released

Problem states:

Quote
2.6  kJ of heat is released.
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