Thursday
December 18, 2014

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

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics 2 - An unknown substance has a mass of 0.125 kg and an initial ...
Chemistry - Energy and Change rev (help+check) - so i was revising for a test ...
chemistry - The complete combustion of salicylic acid releases 21.90 kJ of ...
chemistry - The complete combustion of salicylic acid releases 21.90 kJ of ...
chemistry - substance X has a molar mass of 107.6 g/mol. When 2.50 g of ...
chemistry - Substance x has a molar mass of 107.6 g/mol. when 2.50 g of ...
Chemistry - Why would you subtract the heat of a calorimeter when calculating ...
Chem please help - What is the purpose of a calorimeter? A. To determine the ...
Chemistry - I need someone to check these True or False questions for me please...
Chemistry - H2O (l) requires the largest amount of energy to raise the ...

Search
Members