Which of the following doesn't affect the rate of chemical reactions?
Anonymous Quiz
6%
Concentration of reactant
0%
Temperature
71%
Enthalpy of reaction
24%
Surface area
Which of the following is not correct about the precondition of a chemical reaction to occur?
Anonymous Quiz
12%
Minimum energy required to initiate a reaction
18%
Proper orientation of the reacting molecules
47%
Metallic &non-metallic nature of reactants
24%
Direct contact of the reacting substance
A homogeneous liquid reaction mixture is often heated to increase the rate of reaction. This is best Explained by the fact that rising the temperature:
Anonymous Quiz
7%
Decreases the energy of activation
73%
Increases the average kinetic energy of the reactants
7%
Increases the heat of reaction
13%
Increases the vapor pressure of the liquid
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