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Q: Insert the missing coefficients to completely balance each chemical equation. S+6HNO3 —> H2SO4 + NO2 + H2O?

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In a chemical equation, the coefficients tell you how much you need of each molecule or atom, to balance the equation.

coefficients

Coefficients are placed in front of the chemical formulas when balancing a chemical equation. Never change the subscripts in a formula in order to balance an equation.

Coefficients

coefficients

False. Subscript cannot be change to balance chemical equations. Only coefficients can be added to balance chemical equation.

The numbers to the left of the chemical symbols in an equation, which are used to balance chemical equations are called 'coefficients.'

coefficients

False,Only coefficients can be changed in order to balance a chemical equation. Subscripts are part of the chemical formula for reactants or products and cannot be changed to balance an equation.

You balance a chemical equation by adding coefficients in front of the chemical formulas. Never change the subscripts because that would change the chemical formula.

When in a chemical equation the number of atoms for the reactants and products is the same the equation is correctly balanced.

No! You can change coefficients as needed to balance an equation but you cannot just change a substance's subscripts.

CH4+O2 NaOH+H2

you would change the coefficients

If you change the subscripts in a chemical formula, it will no longer represent the same substance. You can only add coefficients to balance a chemical equation.

If your goal is to balance the equation, then yes, you have to chose the coefficients.

Stochiometric coefficients (also, Molar coefficients).

coefficients

balance chemical equation, change only the coefficients of the formulas.

Balancing only allows you to change the coefficients, NOT the subscripts.

That's not an equation

The balance equation would be 4Fe + 3O2 ==> 2Fe2O3, so the coefficients are 4, 3, 2.

Coefficients are written in front of a chemical formula in a chemical equation, in order to balance the equation by changing the amount of reactants and products as needed, in order to make the numbers of atoms of each element the same on both sides of the equation. This is done by multiplying each subscript of each element by the coefficient. If there is no coefficient, it is understood to be 1. It is necessary to balance a chemical equation in order to satisfy the law of conservation of mass/matter, and to perform stoichiometry.

Both. you must have the correct subscripts to represent the correct chemical then you only change the coefficients to balance the equation. The product of a coefficient and a subscript tells how many atoms are present.

2H2 + O2 --> 2H2O

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