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some cookies and milk, you've got to take it out for a nice dinner, maybe sit next to a fire with it, really get to know it you know?

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13y ago
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11y ago

N(2)+3H(2)--->NH(3)

*True*

False

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12y ago

2NH3

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9y ago

atomic structure

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12y ago

Its 2

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Q: When the following chemical reaction is balanced what number is placed before NH3 N2 plus 3H3 - NH3?
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Continue Learning about Chemistry

What is a balanced chemical equation why should the chemical equation be balanced?

A balanced chemical equation is when both the products and the reactants are balanced, or have the same number of atoms on each side of the equation. For example: 2H20 --> 2H2 + O2 This means there are 2 water molecules as the reactants (before reaction) and 4 hydrogen and 2 oxygen atoms as the products (after reaction). Technically the equation wouldn't work in real life if it weren't correctly balanced.


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 information in a balanced chemical equation shows how many moles of a reactant are involved in a reaction?

The information in a balanced chemical equation shows how many moles of a reactant are involved in a reaction is the number appearing immediately before the formula for the reactant in question in the chemical equation. This number is called a "coefficient".


The number that tells how many molecules of a particular substance take part in a chemical reaction is?

In a balanced equation for the reaction, the coefficient appearing immediately before the formula for a reactant describes the number of moles of that reactant involved in the reaction shown by the equation.


Why must a chemical reaction be balanced before it can be used in stoichiometry?

Because chemical reactions take place in molar ratios. The number of moles of each kind of atom has to be the same on both sides of the equation.

Related questions

What information in a balanced chemical equation shows how many moles of a reactant are involed in the reaction?

The number before the chemical formula of the reactant.


What information in a balanced equation shows how many moles of a reactant are involved in the reaction?

This is the number before a chemical compound.


What is a balanced chemical equation why should the chemical equation be balanced?

A balanced chemical equation is when both the products and the reactants are balanced, or have the same number of atoms on each side of the equation. For example: 2H20 --> 2H2 + O2 This means there are 2 water molecules as the reactants (before reaction) and 4 hydrogen and 2 oxygen atoms as the products (after reaction). Technically the equation wouldn't work in real life if it weren't correctly balanced.


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 information in a balanced chemical equation shows how many moles of a reactant are involved in a reaction?

The information in a balanced chemical equation shows how many moles of a reactant are involved in a reaction is the number appearing immediately before the formula for the reactant in question in the chemical equation. This number is called a "coefficient".


The number that tells how many molecules of a particular substance take part in a chemical reaction is?

In a balanced equation for the reaction, the coefficient appearing immediately before the formula for a reactant describes the number of moles of that reactant involved in the reaction shown by the equation.


How does a chemical equation show that a chemical reaction has occurred?

A chemical equation shows that chemical reaction has occurred as new substances have been formed from the reagents. A chemical equation has two sides before reaction and after reaction, if there is any change from the before reaction side to the after reaction side, it indicates that a chemical reaction has just occurred.


Why must a chemical reaction be balanced before it can be used in stoichiometry?

Because chemical reactions take place in molar ratios. The number of moles of each kind of atom has to be the same on both sides of the equation.


What is present after a chemical reaction?

That depends on the chemicals present before the chemical reaction and sometimes the conditions under which the chemical reaction occurred.


When a chemical reaction occurs the compounds remain the same as before the reaction?

After a chemical reaction the reactants are transformed in products.


In a chemical reaction the total mass of the substances before the reaction is?

The mass of all substances before a chemical reaction is equal to the mass of the substance after the reaction. This is under the law of conservation of mass.


What is the chemical equation for phosphoric acid before it is balanced?

Pa