Because the mass of the reactants must equal the mass of the products due to the Law of Conservation of Mass. By balancing the equation you show the correct proportions of chemicals.
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When solving equations remember that whatever operations are performed on the LHS of the equation must be performed on its RHS to keep the equation in balance.
Coefficients are used to balance equations because if you change the subscript, than you would change the substance.
coefficients
To balance chemical equations effectively, you need to ensure that the number of atoms of each element is the same on both sides of the equation. Start by counting the number of atoms for each element on both sides, then adjust the coefficients in front of the compounds to balance the equation. Repeat this process until the equation is balanced.
To balance equations effectively, you need to ensure that the number of atoms of each element is the same on both sides of the equation. Start by identifying the elements present in the equation and then adjust the coefficients of the compounds to balance the number of atoms. Remember to only change coefficients, not subscripts, and check your work to ensure the equation is balanced.
To balance equations in chemistry, you need to adjust the number of atoms on each side of the equation by adding coefficients in front of the chemical formulas. This ensures that the same number of each type of atom is present on both sides of the equation, maintaining the law of conservation of mass.
To establish the law of conservation of mass.
To balance equations in chemistry for a chemical reaction, you need to ensure that the number of atoms of each element is the same on both sides of the equation. This is done by adjusting the coefficients in front of the chemical formulas. Start by balancing the elements that appear in only one compound on each side, then balance the more complex molecules last.
To balance equations effectively, follow these steps: Write down the unbalanced equation. Count the number of atoms of each element on both sides of the equation. Adjust the coefficients in front of the compounds to balance the number of atoms on each side. Double-check that the equation is balanced by counting the atoms again. By following these steps, you can effectively balance equations.
Coefficients are used to balance chemical equations. These numbers are placed in front of the chemical formulas to ensure that the number of atoms on both sides of the equation are equal.
C2H5MgBr + H2 = C2H6 + MgBr2