# Question 11

• Quantity typically determined by measuring the rate of a reaction at two or more different temperatures: Activation Energy

• The activation energy can also be found algebraically by substituting two rate constants (k1, k2) and the two corresponding reaction temperatures (T1, T2) into the Arrhenius Equation

• Arrhenius Equation

# Question 49

• Most Phosphates are insoluble

• Raoult's law

# Question 66

• Collision Theory

![Frequency Factor: Number of Collisions per Second Determined by the concentration of the reactants. [Temperature has a smaller influence.) ](./media/image60.png)