Balance equation

What is the balance formula?

A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products. In other words, the mass and the charge are balanced on both sides of the reaction.

How do you balance equations examples?

Examples of Balancing Chemical EquationsExample 1. C5H12 + O2 —> CO2 + H2O. Example 2. Zn + HCl —> ZnCl2 + H2 Example 3. Ca(OH)2 + H3PO4 —> Ca3(PO4)2 + H2O. Example 4. FeCl3 + NH4OH —> Fe(OH)3 + NH4Cl. Example 5. S8 + F2 —> SF6 Example 6. C2H6 + O2 —> CO2 + H2O. Example 7. Al2(CO3)3 + H3PO4 —> AlPO4 + CO2 + H2O.

What is the rule for a balanced equation?

A balanced chemical equation has the same number of atoms of each element on both sides of the reaction arrow.

What happens if a chemical equation is not balanced?

Chemical reactions must be balanced, or in other words, must have the same number of various atoms in the products as in the reactants. If a chemical reaction is not balanced, no information about the relationship between products and reactants can be derived.

How do you balance an equation algebraically?

The strategy for balancing chemical equations algebraically is as follows:Write a different letter coefficient in front of each compound in the equation.Write algebraic expressions or rules for each element that equate its atoms on the LHS and RHS.

What is the purpose of balancing an equation?

The reason for balancing equations in chemistry is to obtain the correct proportions of reagents and products for a given reaction. Since chemical reactions do not change the atoms themselves, a balanced equation tells you how much product to expect for a given set of reagents.

What 4 guidelines are useful in balancing an equation?

(1) Balance different types of atoms one at a time; (2) balance types of atoms that appear only once on each side of the equa- tion first; (3) balance as single units any polyatomic ions that appear on both sides of the equation; and (4) balance H atoms and O atoms last.

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