What type of reaction is Zn + 2HCl > ZnCl2 + H2

Chemistry

2 answers:

Elena L [17]3 years ago

5 0

It is Single Replacement

Dmitry [639]3 years ago

3 0

this is the answer is

Zn + HCl = ZnCl2 + H2

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Marina86 [1]

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2 years ago

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3 years ago

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Consider the reaction below.

Law Incorporation [45]

Answer:

First choice: 0.042

Explanation:

Given decomposition reaction:

1PCl₅ (g) ⇄ 1PCl₃ + 1Cl₂(g)

Equilibrium constant:

$K_{eq}=\frac{[PCl_3]^1[Cl_2]^1}{[PCl_5]^1}$

Stoichiometric coefficients and powers equal to 1 are not usually shown as they are understood, but I included them in order to shwow you how they intervene in the equilibrium expressions: each concentration is raised to a power equal to the respective stoichiometric coefficient in the equilibrium equation.

So, your calculations are:

$K_{eq}=\frac{(0.020M)(0.020M)}{0.0095M}=0.042M$