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Q 1/6
Score 0
What factor affects the rate of a chemical reaction?
30
Pressure
Temperature
Catalyst
Concentration
Q 2/6
Score 0
Which of the following factors does NOT affect the rate of a reaction?
30
Surface area
Temperature
Presence of a catalyst
Color of reactants
6 questions
Q.
What factor affects the rate of a chemical reaction?
1
30 sec
Q.
Which of the following factors does NOT affect the rate of a reaction?
2
30 sec
Q.
What is the effect of increasing temperature on the rate of a reaction?
3
30 sec
Q.
How does increasing the concentration of reactants affect the rate of a reaction?
4
30 sec
Q.
A student investigated the rate of reaction between calcium carbonate (marble
chips) and hydrochloric acid.
The student had collected 30 cm3 of gas produced after 15 seconds. Calculate
the mean rate of reaction from 0 to 15 seconds.
5
30 sec
Q.
A student investigated the rate of reaction between calcium carbonate (marble
chips) and hydrochloric acid.
The student had recorded an initial reactant mass of 27 g. The mass of the
product recorded was 24.9 g after 30 seconds. Calculate the mean rate of
reaction from 0 to 30 seconds.
