Answer:
it holds reactant molecules in a good position for then to react
Answer:
Calcium chloride react with aluminum to produce calcium and aluminum chloride. This reaction takes place at a temperature of 600-700°C.
CaCl2+F2 -> CaF2 + Cl2
D. A metal such as copper, because its atom have very mobile electrons - A-p-e-x verified!
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Answer:
A catalyst is a substance which increases the rate of a chemical reaction without itself getting consumed. It is known that all catalysts are enzymes but all enzymes are not catalysts.
Explanation: