Chemistry multiple choice help? ??!?

Emily23

New member
1. Reaction rate is the change in concentration of reactions per unit of time as a reaction proceeds.
A) True
B) False

2. The formula for calculating the reaction rate of a chemical reaction is:
reaction rate = ∆ [ ] / delta time
A) True
B) False

3. Free energy is the minimum energy necessary for product to form.
A) True
B) False

4. Which of these are required for an effective collision:
A) sufficient impact energy and excess free energy
B) proper positioning and high pressure
C) proper positioning and sufficient impact energy

5. In nature, processes tend to occur that lead to a higher energy state.
A) True
B) False
 
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