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Tanya [424]
3 years ago
14

Which is a characteristic of a synthesis reaction

Chemistry
2 answers:
V125BC [204]3 years ago
8 0
Answer:option A
Multiple reactants are used to form one product.
Igoryamba3 years ago
6 0

Answer : The correct option is, (A) There is more than one reactant.

Explanation :

Synthesis reaction : Synthesis reaction are those reactions in which more than one reactants react to form a single product or a compound.

The general representation of the synthesis reaction is,

A+B\rightarrow AB

In this, A and B are the reactants and AB is the product.

For example : formation of calcium hydroxide from calcium oxide and water.

CaO(s)+H_2O(l)\rightarrow Ca(OH)_2(s)

Hence, the correct answer is, (A)

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How many moles of O₂ are needed to react completely with 35.0 mol of FeCl₃? *
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26.3 moles of O₂ are needed to react completely with 35.0 mol of FeCl₃

Explanation:

To determine the number of moles of O₂ that are needed to react completely with 35.0 mol of FeCl₃, it is possible to use the reaction stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction),  and rule of three as follows: if 4 moles of FeCl₃ react with 3 moles of O₂, 35 moles of FeCl₃ with how many moles of O₂ will it react?

molesofO_{2} =\frac{35 moles of FeCl_{3}*3 moles of O_{2}  }{4 moles of FeCl_{3}}

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