Ammonia Chemical Bonding Worksheet Page 2
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28(c)
The graph shows the percentage of ammonia made at different temperatures and
pressures.
Study the graph and then answer the questions.
(i)
Draw a ring around the correct answers to complete the sentence.
To make the greatest percentage yield of ammonia
low
the temperature should be
medium
and the pressure
high
low
should be
medium
high
(2)
(ii)
What is the percentage yield of ammonia at a temperature of 450°C and at a
pressure of 200 atmospheres?
................................................ %
(1)
Page 2 of 28
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