3 years ago

What type of reaction occurs when two elements form one compound?

Chemistry

1 answer:

Goshia [24]3 years ago

5 0

Answer:

Combination Reactions

One combination reaction is two elements combining to form a compound. Solid sodium metal reacts with chlorine gas to produce solid sodium chloride.

Explanation:

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H2 + CaCl2 --> 2HCl + Ca How many grams of HCl are made when 2.93 g of<br><br> Ca are made?

Sholpan [36]

Answer:

H2 + CaCl2 -> 2HCl + Ca

How many grams of HCl are made when 2.93 g of

Ca are made?

Explanation:

From the given balanced chemical equation, it is clear that:

2mol. of HCl and 1mol. of Ca are produced.

2mol. of HCl weighs --- 73.0g

1mol. of Ca weighs --- 40.0g

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73.0g of HCl and 40.0g of Ca are produced.

When 2.93g of Ca is produced then, how many grams of HCl will be produced?

$=> 2.93g Ca * \frac{73.0g HCl}{40.0g Ca} \\=5.35g HCl$

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