Final Review

1. To increase the rate of a chemical reaction the number of effective reactant particle collisions must be

• increased

• decreased

Tags

NGSS.HS-PS1-5

1. Assume solids, liquids & gasses are all involved in a chemical reaction in a sealed container:

2. A(g) + B(l) + C(s) ⇨ D (l) + E(s)

The rate of the reaction will be increased by (select two)

• increasing particle size

• decreasing particle size

• increasing particle surface area

• decreasing particle surface area

1. Assume solids, liquids & gasses are all involved in a chemical reaction in a sealed container:

2. A(g) + B(l) + C(s) ⇨ D (l) + E(s)

The rate of the reaction will be increased by (select two)

• increasing pressure

• decreasing pressure

• increasing container volume

• decreasing container volume

Tags

NGSS.HS-PS1-5

1. Assume solids, liquids & gasses are all involved in a chemical reaction in a sealed container:

2. A(g) + B(l) + C(s) ⇨ D (l) + E(s)

The rate of the reaction will be increased by (select 2)

• increasing reactant concentration(s)

• decreasing reactant concentration(s)

• increasing temperature

• decreasing temperature

Tags

NGSS.HS-PS1-5

1. Assume solids, liquids & gasses are all involved in a chemical reaction in a sealed container:

2. A(g) + B(l) + C(s) ⇨ D (l) + E(s)

The rate of the reaction will be increased by (select 2)

• agitation

• adding an inhibitor

• adding a catalyst

Tags

NGSS.HS-PS1-5

1. The addition of a catalyst will increase / decrease the rate of a chemical reaction by 

decreasing the activation energy.

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Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

1. The addition of a catalyst will increase the rate of a chemical reaction by 

increasing / decreasing the activation energy.

1. The addition of a catalyst will increase the rate of a chemical reaction by 

decreasing the heat of reaction / activation energy.

Tags

NGSS.HS-PS1-4

1. Assume only liquids are all involved in a chemical reaction in a sealed container:

2. A(l) + B(l) ⇨ C (l) + D(l) 

The rate of the reaction would NOT be affected by (select all that apply)

• increasing particle size

• decreasing particle size

• increasing particle surface area

• decreasing particle surface area

1. Assume only liquids are all involved in a chemical reaction in a sealed container:

2. A(l) + B(l) ⇨ C (l) + D(l) 

The rate of the reaction would NOT be affected by (select all that apply)

• increasing pressure

• decreasing pressure

• increasing container volume

• decreasing container volume