Calcium hydroxide + hydrochloric acid mc012-1.jpg calcium chloride + waterWhich is the corresponding formula equation?

Answers

Answer 1

Answer:

$Ca (OH)_2 + 2HCl \rightarrow Ca Cl_2 + 2H_2 O$

Explanation:

First of all, let's try to identify the different substances involved in the reaction:

- calcium hydroxide: calcium is the element $Ca$ , while hydroxide corresponds to the ion $OH^-$ . Calcium has 2 valence electrons, so the calcium ion is $Ca^(2+)$ , and since the ion $OH^-$ has only one negative charge, we need two of them to combine with the calcium ion, therefore: $Ca(OH)_2$

- hydrochloric acid: this is an acid, so with one ion of hydrogen $H^+$ , and the other element is the chlorine, which in the ion form is $Cl^-$ , so the hydrochloric acid is $HCl$

- calcium chloride: this is the combination of the calcium ion, $Ca^(2+)$ , with the chlorine ion, $Cl^-$ , so the compound is $CaCl_2$

- Water: this is given by $H_2 O$

so, the reaction is

$Ca (OH)_2 + HCl \rightarrow Ca Cl_2 + H_2 O$

However, this reaction is not balanced yet: in fact, we have 2 atoms of oxygen on the left and only one on the right. Moreover, we have 3 atoms of hydrogen on the left and only 2 on the right. Therefore, in order to balance it, we must write:

$Ca (OH)_2 + 2HCl \rightarrow Ca Cl_2 + 2H_2 O$

Answer 2

Answer:

D) Ca(OH)2(s) + 2HCI(l) -> CaCl2(aq) + 2H2O(l)

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The correct answer is: (A. Granite <------

Hope i helped!:)

The answer would be A -- Granite.

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Answers

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Answers

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]Scientists are able to construct valid scientific methods to study the formation of the solar system by beingbiased and religious
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Answers

Answer:

The correct answer will be option-imaginative and original.

Explanation:

The study of any natural phenomenon is based on the methods developed by humans. These methods are known as scientific methods as they approach the explanation in a systematic way.

The quest to understand the astronomical perspective-universe, planets and the planetary motions began around 2500 years ago which persists even today.

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Answers

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If one of the vectors is V₁ = A i + B j . . . . . . where 'A' and 'B' are any two numbers,

then the other one is V₂ = -A i - B j

Answer:

Explanation:

I just took the lab

An observer on the earth sees a spaceship approaching at 0.54c. The ship then launches an exploration vehicle that, according to the earth observer, approaches at 0.82c. What is the velocity of the exploration vehicle relative to the spaceship? Give your answer as a decimal fraction of c, i.e. a β factor.

Answers

Answer:

Explanation:

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