Energy
Vocabulary
Types of reactions
Balancing Equations
Misc
100
A reaction where more energy is released than put into the reaction.
What is an exothermic reaction
100
A compound made up mostly of carbon and hydrogen atoms.
What is a hydrocarbon
100
Digestion is an example of this type of reaction.
What is a decomposition reaction.
100
You are never allowed to adjust these numbers when balancing equations.
What are subscripts.
100
The symbol used to represent yield.
What is an arrow.
200
The release of energy is an example of this.
What is a chemical reaction.
200
This law states that mass can not be created or destroyed and explains why chemical equations must be balanced.
What is the Law of Conservation of Mass
200
This reaction ALWAYS has O2 as a reactant.
What is a combustion reaction.
200
The mass of the reactants will always be equal to this.
What is the mass of the products.
200
A chemical reaction speeds up when this is added to the reaction.
What is heat.
300
Photosynthesis is an example of this type of reaction.
What is an endothermic reaction
300
These are the substances that are produced during a chemical reaction.
What are products.
300
This reaction will result in only one product.
What is a synthesis reaction.
300
The mole ratio of the following balanced chemical reaction. C + H2 yields CH4
What is 1:2:1
300
The energy source of photosynthesis.
What is light or the sun.
400
This is the place where chemical energy is stored.
What are chemical bonds.
400
The number that is placed in front of reactants or products to balance the chemical reaction.
What are coefficients.
400
This reaction is sometimes called an ionic reaction because it involves two ions switching places during the reaction.
What is a double displacement reaction.
400
How many moles of O2 are required to produce 10 moles of MgO based off the following chemical equation. 2MgO + O2 Yields 2MgO
What is 5 moles.
400
These two types of reactions are opposites of one another.
What are synthesis and decomposition reactions.
500
This happens to energy whenever a chemical bond is formed.
What is it is released.
500
The solid that forms from two aqueous solutions during a double displacement reaction.
What is a precipitate.
500
This type of reaction involves a lone substance replacing another substance within a compound.
What is a single displacement reaction.
500
The mole ratio of the following balanced chemical reaction: HgO + Cl2 yields HgCl + O2
What is 2:1:2:1
500
The two products produced during a combustion reaction involving a hydrocarbon reacting with oxygen.
What are carbon dioxide and water.
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