Answer:
The chlorine atom (or atoms) is covalently bonded by a shared pair of electrons to the other element.
Explanation:
Scientist and Chemical Engineers
Answer:
activation energy would be your answer here
Explanation:
Heat is released.
When a chemical change occurs, energy comes out of the atoms which causes heat.
Answer:

Explanation:
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In this case, since the formation of water from hydrogen and oxygen is:

Whereas we find a 2:2 mole ratio of hydrogen to water. In such a way, by using the Avogadro's number, the aforementioned mole ratio and the molar mass of water (18.02 g/mol), we obtain the following grams of water product:

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