About 25 percent of energy in an organism is used by the animal that eats it .
Answer:
The amount of CaCl2 produced depends on the amount of HCl in the reaction.
Explanation:
The amount of HCl is used completelyin the reaction unlike CaCO3 which remains after reaction.
Explanation:
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Answer:
The energy required to start a reaction is called the ACTIVATION ENERGY.
Explanation:
Enzymes are proteins that function as biological catalysts to speed up the rate of chemical reactions in cell without being changed into a different molecule.