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Scorpion4ik [409]
3 years ago
7

PLEASE PLEASE PLEASE HELPPP

Chemistry
1 answer:
Ivan3 years ago
8 0
I believe that the answer is B
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Which of the following is not a benefit of the water cycle?
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Answer:

4th line

Explanation:

-water cycle helps regulate the temperature on the Earth.

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Compared to the nonmetals in Period 2, the metals in Period 2 generally have larger
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When the procedure calls for making a more dilute solution of an acid, or mixing an acid with other solutions, what is the corre
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Answer:

The correct order it b. always add acid last.

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Ns
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Answer:

Ca(OH)₂ + H₂SO₄     →     CaSO₄ + H₂O

Explanation:

Chemical equation:

Ca(OH)₂ + H₂SO₄     →     CaSO₄ + H₂O

Balanced chemical equation:

Ca(OH)₂ + H₂SO₄     →     CaSO₄ + 2H₂O

The given reaction is double displacement reaction in which anion and cation of both reactant exchanged with each other. Calcium hydroxide react with sulfuric acid and form calcium sulfate and water.

Double replacement:

It is the reaction in which two compound exchange their ions and form new compounds.

AB + CD → AD +CB

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