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What coefficient values will balance the reaction? Al + O2 --> Al2O3
2,1,2
1 potassium atom and 1 chlorine atom
products
2NH3+4O2
The sum of the atomic masses on both sides of the equation must be the same.
a number preceding an elemental or molecular symbol
reactants
4,3,2
Which part of this equation represents the reactants? 2NH3+4O2 --> 2NO + 3H2O
2,1,2
1 potassium atom and 1 chlorine atom
products
2NH3+4O2
The sum of the atomic masses on both sides of the equation must be the same.
a number preceding an elemental or molecular symbol
reactants
4,3,2
What combinations of atoms are involved in this compound? KCl
2,1,2
1 potassium atom and 1 chlorine atom
products
2NH3+4O2
The sum of the atomic masses on both sides of the equation must be the same.
a number preceding an elemental or molecular symbol
reactants
4,3,2
What is a coefficient in a chemical equation?
2,1,2
1 potassium atom and 1 chlorine atom
products
2NH3+4O2
The sum of the atomic masses on both sides of the equation must be the same.
a number preceding an elemental or molecular symbol
reactants
4,3,2
In a chemical equation, what name does the left side have?
2,1,2
1 potassium atom and 1 chlorine atom
products
2NH3+4O2
The sum of the atomic masses on both sides of the equation must be the same.
a number preceding an elemental or molecular symbol
reactants
4,3,2
How does the law of conservation of matter apply to chemical equations?
2,1,2
1 potassium atom and 1 chlorine atom
products
2NH3+4O2
The sum of the atomic masses on both sides of the equation must be the same.
a number preceding an elemental or molecular symbol
reactants
4,3,2
In a chemical equation, what name does the right side have?
2,1,2
1 potassium atom and 1 chlorine atom
products
2NH3+4O2
The sum of the atomic masses on both sides of the equation must be the same.
a number preceding an elemental or molecular symbol
reactants
4,3,2
What coefficient values will balance this reaction? H2+O2-->H2O
2,1,2
1 potassium atom and 1 chlorine atom
products
2NH3+4O2
The sum of the atomic masses on both sides of the equation must be the same.
a number preceding an elemental or molecular symbol
reactants
4,3,2
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