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Deffense [45]
3 years ago
12

What type of reaction is represented by the following chemical equation?

Chemistry
2 answers:
Ivan3 years ago
5 0
Combustion! CH4, which is methane, reacts with oxygen to form carbon dioxide. (For future reference, if a compound is reacted with ONLY oxygen it is sure to be a combustion reaction)
Bad White [126]3 years ago
4 0

Answer:

combustion reaction.  

Explanation:

Th given chemical equation is a combustion reaction.  

CH₄ or methane is a hydrocarbon. When a hydrocarbon reacts with oxygen it forms carbon dioxide and water.  

All other options are incorrect.

In a single replacement reaction one element replaces another element in a compound.  

Zn + H₂SO₄ = ZnSO₄ + H₂

In a double replacement reaction the cations of the reactants combines with a different anion of the reactant to form new products.

AgNO₃ + NaCl = AgCl + NaNO₃

In a decomposition reaction a complex molecule is broken down into simple molecules.  

H₂O₂ = 2H₂O + O₂

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3 years ago
How many moles are 3.20 x102 formula units of calcium iodide?
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The number of moles in 3.20 x 10² formula units of calcium iodide is 0.053 moles.

<h3>How to calculate number of moles?</h3>

The number of moles in the formula units of a substance is calculated by dividing the formula unit by Avogadro's number.

According to this question, 3.20 x 10² formula units are in calcium iodide. The number of moles is as follows:

no of moles = 3.20 x 10²² ÷ 6.02 × 10²³

no of moles = 0.53 × 10-¹

no of moles = 0.053 moles

Therefore, the number of moles in 3.20 x 10² formula units of calcium iodide is 0.053 moles.

Learn more about number of moles at: brainly.com/question/12513822

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2 years ago
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What is the chemical formula of calcium chloride?
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<h3>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</h3>

➷ It would be CaCl2

<h3><u>✽</u></h3>

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