Answer:
They expressed it as rate of change in concentration of reactants or products in a chemical reaction
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The answer is: False
The current theory of the formation of our solar system is that the planets formed more or less in their present orbits and they were made balls of gas but they were never comets captured by the sun.
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The answer is C, work. The reaction of the air/gas mixture being ignited produces energy which moves the piston up and down which turns the crankshaft.
This reaction is called silioconic
