Question

to balance a chemical equations​

Answer 1

Answer:

1. An equation is balanced when the same number of each element is represented on the reactant and product sides. Equations must be balanced to accurately reflect the law of conservation of matter.

Examples of Balancing Chemical Equations

Example 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.

Answer 2

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Coefficients are used to balance chemical equations. A coefficient is a number placed in front of a chemical symbol or formula. It shows how many atoms or molecules of the substance are involved in the reaction.

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