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Chemistry

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Adelia Muller

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2y ago
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Cards in this guide (12)
What are the substances you start with in a chemical reaction called

reactant

What is the charge on the polyatomic ion cyanide

The charge on the polytomic ion cyanide is -1.

Which of the following is an example of a synthesis reaction

H2+Br2-->2HBr

Which method of drawing hydrocarbons is the fastest draw

The stick model method.

Why are state symbols used in chemical equations

They identify what phase the substances are in

-Apex

What are the substances you end up with in a chemical reaction called

The products

What would be the percent yield of the reaction be if the theoretical yield is 11.22 g but the actual yield was 8.67 g

In this case the yield is 77,27 %.

Which the following is a necessary product of a combustion reaction

heat

What happens in a double replacement reaction

In this reaction a change of bonds of the reactants occur: the general form is:
AB + CD = AD + BC

What is a following is a decomposition reaction

CaCO3 -> CaO + CO2

Where are all the products of a hydrocarbon combustion reaction

The products of the hydrocarbon combustion are water and carbon dioxide.

If the products of a reaction are CO2 and 2H2o what is known about the reactants

They do not include any C, O, or H atoms.

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