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Because you may need to multiply substances to acheive a balanced equation.

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15y ago

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What is a good practice to use when balancing equations?

A good practice when balancing equations is to start by balancing the most complex or uncommon elements first, such as those in polyatomic ions or compounds. Then, balance simpler elements like single atoms last. Remember to adjust coefficients, not subscripts, to balance the equation.


What law is Balancing Chemical equations is a result of?

Balancing chemical equations is a result of the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. Balancing the number of atoms on both sides of the equation ensures that the total mass is conserved before and after the reaction.


What should asthma people do before participating in excerise?

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What is the system of equations?

A system of equations is a set of equations with more than one variable dealing with the same material. If there are 2 variables, then the system must have 2 equations before it can be solved. 3 variables need 3 equations, etc.


When balancing an equation you can only change the which tells you the number of particles that participate in the reaction and comes before the symbol?

You can only change the coefficients when balancing an equation. The coefficients are the whole numbers that come before the chemical symbols of the reactants and products, indicating the ratio of moles of each substance in the reaction.


Why chemical equations need to be balanced according to the law of the conservation of mass?

becasuse atoms are never gained or lost in a chemical reaction


What is the law of conservation mass and how is it connected to balancing chemical equations?

The law of conservation of matter/mass states that in a closed system matter is neither created nor destroyed. This means that the same number and kind of atoms in the reactants are also present in the products, which is why a chemical equation must be balanced.


Is the number that appears before a formula in a chemical equations?

The number that appears before a formula in a chemical equation represents the coefficient, which indicates the ratio of moles of each substance involved in the reaction. It is used to balance the equation so that the same number of each type of atom is present on both sides of the reaction.


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