1. Which of the following factors will increase the rate of a reaction?
a. Adding more

reactants

b. Increasing the temperature of the reaction

c.  Adding a catalyst

d. Neither A, B, nor C

e.  A, B, or C

2. Which coefficient is placed in front of Potassiumto balance the following equation?
K + H₂SO₄ —> K₂SO4 + H₂

a. 5

b. 1
c. 4
d. 2
e. 3

3. Which coefficient is placed in front of CaOto balance the following equation?
CaCO₃ à ? CaO + CO₂

_{a. 1} 

_{b. 2}

_{c. 3} 

_{d. 4}

_{e. 5} 

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