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C6 Rates of reaction and equilibrium

Authored by Kirsten Stewart

Chemistry, Science

10th - 11th Grade

27 Questions

Used 26+ times

C6 Rates of reaction and equilibrium
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for a mean rate of reaction in terms of reactants?

quantity of reactant used/time taken

quantity of reactant used - time taken

quantity of reactant used x time taken

quantity of reactant used + time taken

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for a mean rate of reaction in terms of products?

quantity of reactant product formed/time taken

quantity of reactant product formed - time taken

quantity of reactant product formed x time taken

quantity of reactant product formed + time taken

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you measure the quantity of a reactant or product?

In grams or in cm³

In mg or in cm³

In grams or in dm³

In mg or in dm³

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two possible units for rate of reaction?

g/s or cm³/s

mg/s or cm³/s

g/s or dm³/s

mg/s or dm³/s

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How could you measure the rate of a reaction from a graph?

Draw a tangent to the curve and calculate the gradient.

Subtract the value at y away from the value at x

Divide the x axis value from the y axis value

Use a ruler and measure the length of the curve.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is "collision theory"?

The idea that chemical reactions only occur when particles collide with sufficient energy

The idea that chemical reactions only occur when particles collide

The idea of particles react all the time

The idea that particles cannot react unless forced

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factors DO NOT affect the rate of a reaction?

Temperature

Surface area of a solid

Concentration or reactants in solution

Colour of the substance

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