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Hess's Law Problem
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Topic: Hess's Law Problem (Read 4401 times)
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conb
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Hess's Law Problem
«
on:
April 28, 2008, 10:06:54 PM »
Problem
Result= 2C + 3H2 Yields C2 H6
Three equations
CO2 Yields C + O2 1549.4
H2O Yields H2 +1/2 O2 1125.2
2CO2 +3H2O Yields C2H6 +1/2 O2 6144.4
Need to know steps
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enahs
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Re: Hess's Law Problem
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Reply #1 on:
April 28, 2008, 11:43:15 PM »
Go here:
http://www.wwnorton.com/college/chemistry/gilbert/tutorials/ch11.htm
And click view tutorial for Hess's Law
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conb
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Re: Hess's Law Problem
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Reply #2 on:
April 30, 2008, 08:33:06 PM »
I know how Hess law works but dont understand how to change 1/2 of compounds. Can someone please help show me the steps to this problem so I can see how it works.
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Astrokel
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Re: Hess's Law Problem
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Reply #3 on:
April 30, 2008, 10:46:53 PM »
Quote from: conb on April 28, 2008, 10:06:54 PM
Problem
2CO2 +3H2O Yields C2H6 +1/2 O2 6144.4
The equation is not balanced correctly! I guess you can solve after you get the right balanced equation.
kelvin
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