Homework Help: Chemistry

Posted by mysterychicken on Friday, October 29, 2010 at 3:21pm.

35. In a calorimeter, the energy content of a substance is calculated from a measure of the temperature change in a known mass of
a. iron
b. air
c. water
d. steel
C?

36. A decrease in the reactant concentration, per unit time, in a reaction is a measure of the
a. heterogenous reaction
b. reaction rate
c. overall reaction
d. reaction mechanism
Not sure..

Thanks
-MC

Chemistry - DrBob222, Friday, October 29, 2010 at 4:14pm
35 is right.
36 is b.

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