Why does a higher temperature increase the rate of a reaction?

it increases both the frequency and energy of particle collisions

it only increases the frequency of particle collisions

it only increases the energy of particle collisions

it reduces the activation energy of the reaction

Increasing the concentration of a reactant will (Two answers)

Increase the number of particles present

Increase the number of collisions per unit time

Decrease the number of particles present

Decrease the number of collisions per unit time

Increasing the temperature of a reactant will

Make particles move more quickly

Make it more likely that particles will collide successfully

Grinding a seltzer tablet into powder increases the rate of reaction due to...

increased concentration of reactants

better orientation of reactants

In a chemical reaction, increasing the temperature of the reactants...

increases the collision speed between the particles.

places particles in a better orientation.

makes more catalyst to help the products form more easily.

increases the number of particles in the reaction.

Why does a higher concentration increase the rate of reaction?

it increases the frequency/how often particles collide.

it puts reactants in a better orientation.

it lowers the activation energy.

it increases the speed/energy of particle collisions.

Which of these will NOT speed up the rate of reaction between a strip of magnesium and hydrochloric acid?

grind up the strip of magnesium

increase the concentration of the hydrocholoric acid

increase the temperature of the hydrocholoric acid

What is the activation energy?

The minimum energy needed by the reactants to form the products.

The energy lost in the reaction

IB Chemistry Topic 6

11th - 12th Grade

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25 Qs

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IB Chemistry Topic 6

Quiz

•

Chemistry

•

11th - 12th Grade

•

Practice Problem

•

Easy

•

NGSS

HS-PS1-5, HS-PS1-4, MS-PS1-2

Standards-aligned

Antonio Castruita

Used 170+ times

FREE Resource

25 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two factors govern whether a collision between reacting particles will be effective?

orientation and potential energy

kinetic energy and temperature

kinetic energy and orientation

potential energy and kinetic energy

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Under the collision theory, the particles must collide with and for a reaction to occur.

sufficient rate and sufficient energy

sufficient surface area and correct orientation

sufficient catalyst and sufficient energy

sufficent energy and correct orientation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

More frequent collisions correspond to a:

Faster reaction rate

Slower reaction rate

Constant reaction rate

None of the above

Tags

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT a factor affecting reaction rate?

temperature

catalysts

particle size

polarity

Tags

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Reaction rate means...

amount of product formed

speed of reaction

concentration of reacting particles

combining reactants with products

Tags

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Decreasing the particle size increases the reaction rate because

It makes particles move faster

It increases the likelihood of collisions with the correct geometry

It decreases the surface area available to react

It increases the frequency of collisions

Tags

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To slow down a chemical reaction you will do one of the following:

Place the reactants in hot water

Place the products in ice bath

Place the reactants in a ice bath

Keep stirring the reactants with a stirring rod

Tags

NGSS.HS-PS1-5

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IB Chemistry Topic 6

25 questions

What two factors govern whether a collision between reacting particles will be effective?

Under the collision theory, the particles must collide with and for a reaction to occur.

More frequent collisions correspond to a:

Which of the following is NOT a factor affecting reaction rate?

Reaction rate means...

Decreasing the particle size increases the reaction rate because

To slow down a chemical reaction you will do one of the following:

Why does a higher temperature increase the rate of a reaction?

Which of the following increase the reaction rate?

Which size marble chips produced the quickest rate of reaction when added to HCl.

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IB Chemistry Topic 6

25 questions

What two factors govern whether a collision between reacting particles will be effective?

Under the collision theory, the particles must collide with ____ and ____ for a reaction to occur.

More frequent collisions correspond to a:

Which of the following is NOT a factor affecting reaction rate?

Reaction rate means...

Decreasing the particle size increases the reaction rate because

To slow down a chemical reaction you will do one of the following:

Why does a higher temperature increase the rate of a reaction?

Which of the following increase the reaction rate?

Which size marble chips produced the quickest rate of reaction when added to HCl.

Create a free account and access millions of resources

Similar Resources on Wayground

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Under the collision theory, the particles must collide with and for a reaction to occur.