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Posted by 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

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..


  • Chemistry - , Friday, October 29, 2010 at 4:14pm

    35 is right.
    36 is b.

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