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April 26, 2015

Homework Help: chemistry

Posted by miss on Tuesday, November 16, 2010 at 3:25am.

Use the thermochemical equations:
1/2 H2(g)+1/2 I2(g) ...............> HI(g) delta H = -1.1 k cal
1/2 H2(g).......> H2 (g) delta H = -104.2 k cal
1/2 I2 (g)..............> I (g) delta H = +18.1 k cal

To present for the formation of hydrogen iodide gas from gaseous atomic hydrogen and gaseous atomic iodine:
H(g) +I(g) HI(g) delta H=?

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