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Measuring Reaction Rates

Authored by Lola Light

Chemistry

9th - 12th Grade

Measuring Reaction Rates
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which observation(s) might be used as evidence that a chemical reaction occurred?

Color change

Odor change

change in temperature

All of the above

2.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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Order the letters from highest to lowest rate of reaction.

A > B > C > D
A > BC > D (B and C have the same rate)
A > B > CD (C and D have the same rate)
D > C > B > A

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the rate of reaction?

How fast a reaction is 
How big a reaction is
How loud a reaction is
How much gas a reaction produces

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The following equation shows the reaction between calcium carbonate, CaCO3 and hydrochloric acid, HCl:


CaCO3(aq) + 2HCl(aq) → CaCl2(aq) + CO2 (g)­­ + H2O(l)


Which of the following is the suitable method to determine the rate of reaction?

Change in the temperature of the solution with time

Change in the volume of carbon dioxide gas with time

Change in the mass of water with time

Change in the concentration of hydrochloric acid with time

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Table 4 shows the total volume of gas evolved at different intervals for the dissociation of hydrogen peroxide.


What is the average rate of reaction in the second minute?

14.0 cm3 min-1

16.0 cm3 min-1

18.0 cm3 min-1

28.0 cm3 min-1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Diagram 4 shows the graph of volume of carbon dioxide gas against time when 5 g of marble chips is added to

50 cm3 of 0.2 mol dm-3 hydrochloric acid.


At what time the rate of reaction the highest?

t1

t2

t3

t4

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which acid concentration would react faster with Magnesium?

0.1M

0.4M

1M

2M

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