Homework Help: Chemistry

Posted by Adam on Friday, February 19, 2010 at 9:30pm.

When 0.689 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 112C is observed.
Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC.
(Note: Pay attention to significant figures. Do not round until the final answer.)
The molar heat of reaction, H rxn, for the reaction of Ca(s) + 2H+(aq) Ca2+(aq) + H2(g)

Chemistry - DrBob222, Friday, February 19, 2010 at 9:50pm
Answered above.

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