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First write down what you know. Reactants go on the left, followed by an arrow, with products on the right. Balance the equation.

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Q: When writing a chemical equation what must be written first?
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Related questions

Why metals are always written first in the chemical equation?

It is only a convention.


When writing a chemical formula the (what type of ion) gets written first.?

Cations are written first. For instance, NaCl or H2O.


Who was the first iatrochemist to balance a chemical equation?

Jean Beguin was the first iatrochemist to balance a chemical equation.


What is the first chemical in the chemical equation called?

The first reactant.


What is the chemical equation for potassium sulphate and potassium sulphite?

first of all its not chemical equation is chemical formula Potassium Sulphate: K2SO4 Potassium Sulphite: K2SO3


What is the first part of a chemical equation called?

The reactants.


The first step in undertaking any chemical calculation is to?

balance the equation. calculate moles of product.


What are the substance on the left side of an equation called?

The reactants are written on the left side of a word equation.


What does the state symbol (s) mean when written after a chemical compound in a chemical equation?

There are three common state symbols for chemical formulae. The first is (s) which is solid, the second is (g) which is gaseous, and the third is (aq) which denotes aqueous, or in a liquid solution.


What does the first part of the chemical equation mean?

These are the starting substances, called reactants.


An unbalanced chemical equation?

An unbalanced equation that uses names of the substances instead of chemical formulas is called a word equation. As a rule, metallic elements are named first and non-metallic next. The suffix of the latter is changed into "ide".


The first step in writing a net ionic equation is to write the ions present in what?

It is usually useful to start with a full balanced chemical equation. Then, if dealing with aqueous reactants, see if any solid precipitates are formed. Only the ones in the precipitates should be in your equation. Those still in aqueous solutions are merely spectator ions.