Higher Chemistry: Unit 1 (Chemical Changes & Structure)
Authored by Mark Murray
Chemistry
6th Grade
Used 38+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An experiment was repeated at two different temperatures. The red line represents experiment A and the Blue line represents experiment B. Which experiment was done at the higher temperature?
Experiment B (Blue line)
Both are the same temperature
Experiment A (red line)
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What is the minimum amount of energy required for a reaction to take place?
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the diagram. Is the reaction Exothermic or Endothermic?
Exothermic
Endothermic
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Calculate the enthalpy change for the forward reaction.
(a)
5.
DRAW QUESTION
3 mins • 1 pt
Show on the diagram the effect of a catalyst being added
Answer explanation
Activation energy will be lower
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What is the relative rate of reaction for a reaction that took 40 seconds to complete? (units not required)
(a)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the correct units for relative rate of reaction?
mol/L
mol/s
s-1
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