What is a major difference between a chemical reaction and a nuclear reaction? A) Only chemical reactions release light. B) Only
2 answers:
Answer: Option (C) is the correct answer.
Explanation:
A nuclear reaction is a reaction which brings change in the nucleus of an atom.
For example,
A chemical reaction is a reaction which results in the formation of new compounds which have different properties than their reactants.
Hence, in a nuclear reaction changes in an atom occurs whereas in a chemical reaction changes in a compound or molecule occurs.
Thus, we can conclude that a major difference between a chemical reaction and a nuclear reaction is that only nuclear reactions can change the identity of the atom.
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Answer:
Explanation:
Hello,
In this case, since the chemical reaction is:
We can see that hydrochloric acid and magnesium hydroxide are in a 2:1 mole ratio, which means that the neutralization point, we can write:
In such a way, the moles of magnesium hydroxide (molar mass 58.3 g/mol) in 500 mg are:
Next, since the pH of hydrochloric acid is 1.25, the concentration of H⁺ as well as the acid (strong acid) is:
Then, since the concentration and the volume define the moles, we can write:
Therefore, the neutralized volume turns out:
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