Reaction Kinetics Review

Which of the following will increase the rate of a chemical reaction?
1. An increase in pressure of gases
2. An increase in concentration of reactants
3. An increase in temperature
4. A decrease in surface area of reactants
An increase in temperature increases the rate of a chemical reaction by what means
1. Increasing the concentration of reactants
2. Increasing pressure
3. Decreasing activation energy
4. Increasing collision energy
5. Increasing collision frequency
Catalysts increase the rate of a chemical reaction by what means?
1. Increasing collision energy
2. Increasing the concentration of reactants
3. Lowering activation energy
4. Increasing temperature
For an effective collision to take place, there must be:
1. A sufficiently hard collision
2. A correctly oriented collision
3. A catalyst present
4. No products present
5. High pressure
Which of the following will slow down the rate of a chemical reaction?
1. Addition of a catalyst
2. Decreasing the temperature
3. Increasing the concentration of reactants
4. Increasing the surface area of the reactants
5. Increasing the pressure
At 25 ºC, a certain reaction is able to produce 0.80 moles of product per minute? At what rate might the product be produced at 35 ºC?
1. 0.40 moles per minute
2. 1.6 moles per minute
3. 0.20 moles per minute
4. 0.80 moles per minute
At 25 ºC, a certain reaction is able to produce 0.80 moles of product per minute? At what rate might the product be produced at 15 ºC?
1. 0.40 moles per minute
2. 1.6 moles per minute
3. 1.20 moles per minute
4. 0.80 moles per minute
Given the following reaction:

P₄(s) + 5 O₂(g) → 2 P₂O₅(s)

If the intial rate of the reaction consumes 1 mole of phosphorus, P₄, per second, what is the rate at which oxygen, O₂, is consumed initially?
1. 1 mole per second
2. 2 moles per second
3. 0.2 moles per second
4. 5 moles per second
Given the following reaction:

P₄(s) + 5 O₂(g) → 2 P₂O₅(s)

If the intial rate of the reaction consumes 1 mole of phosphorus, P₄, per second, what is the rate at which diphosphorus pentoxide, P₂O₅, is formed initially?
1. 1 mole per second
2. 2 moles per second
3. 0.2 moles per second
4. 5 moles per second
Given the following reaction:

C₃H₈(g) + 5 O₂(g) → 3 CO₂ + 4 H₂O(g)

If the intial rate of the reaction produces 2 moles of water vapor, H₂O, per second, what is the rate at which carbon dioxide, CO₂, is formed initially?
1. 3 moles per second
2. 2 moles per second
3. 2.67 moles per second
4. 1.5 moles per second
Given the following reaction:

C₃H₈(g) + 5 O₂(g) → 3 CO₂ + 4 H₂O(g)

If the intial rate of the reaction produces 2 moles of water vapor, H₂O, per second, what is the rate at which oxygen, O₂, is consumed initially?
1. 1 mole per second
2. 2 moles per second
3. 8 moles per second
4. 2.5 moles per second
Given the following reaction:

C₃H₈(g) + 5 O₂(g) → 3 CO₂ + 4 H₂O(g)

If the intial rate of the reaction produces 2 moles of water vapor, H₂O, per second, what is the rate at which propane, C₃H₈, is consumed initially?
1. 1 mole per second
2. 2 moles per second
3. 4 moles per second
4. 0.5 moles per second
Given the following reaction:

2 H₂(g) + O₂(g) → 2 H₂O

As this reaction takes place:
1. the quantity of water vapor, H₂O(g), decreases
2. the quantities of hydrogen, H₂, and oxygen, O₂, decrease
3. the quantities of hydrogen, H₂, and oxygen, O₂, increase
4. the quantity of hydrogen, H₂, increases the quantity of oxygen, O₂, decreases
In chemical reactions, electricity, a spark, and sunlight are all ways in which _______________ may be provided.
1. activation energy
2. reactants
3. products
4. catalysts
Given the following reaction:

H₂(g) + Cl₂(g) → 2 HCl

As this reaction takes place:
1. HCl is produced at the same rate that H₂ is consumed
2. H₂ and Cl₂ are consumed at the same rate
3. HCl is produced at the twice the rate that Cl₂ is consumed
4. HCl is produced at the half the rate that Cl₂ is consumed