216 J of energy is required to raise the temperature of aluminium from 15o to 35o C. Calculate the mass of aluminium.
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Explanation:
The diagram shows how the molecules in the exhaust gases diffuse into the air.
molecules in air
V.
molecules in
exhaust gases
Which statement describe
s what happens to these molecules next?
A The molecules fall to the ground because they are heavier than air molecules.
B The molecules go back together as they cool.
C The molecules spread further into the air.
D The molecules stay where they are.
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