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2.4 Vocab
Bond Formation
Chemical Equations
Chemical Reactions
Other
100
Substances that are changed into different substances by breaking and forming chemical bonds.
What is a chemical reaction?
100
What side of the equation are the reactants on?
What is the left side.
100
Bonds break and form during what?
What are chemical reactions?
100
Everyday examples of chemical reactions.
What is an example of a chemical reaction that happens everyday? Answer may vary.
200
The substances changed during a reaction.
What are reactants?
200
Energy is ________ to break bonds in a equation.
What is added?
200
The arrow in a chemical equation indicates this.
What is the direction that the chemical reaction is going?
200
__________ are changed during a chemical reaction.
What are reactants.
300
The substances made from a chemical reaction.
What are products?
300
Energy is __________ when bonds are formed.
What is released?
300
This is on the right side of the equation.
What is the products.
300
These are the two types of chemical reaactions.
What are exothermic and endothermic reactions?
300
This is the chemical symbol for glucose?
what is C6H12O6?
400
The amount of energy that will break a bond between two atoms.
What is bond energy?
400
The amount of energy that breaks a bond.
What is bond energy?
400
In the chemical equation H2+O2 --> H2O
What are the reactants?
400
In this particular chemical reaction, reactants have higher bond energies than products.
What are exothermic reactions.
400
C+O2--->
What is CO2
500
When a reaction takes place at a equal rate in both directions. (The concentrations stay the same).
What is equilibrium?
500
The attraction between atoms that holds molecules together.
What is a bond?
500
What is H2CO3 in the equation CO2+H2O <--> H2CO3.
What is the product?
500
In this particular chemical reaction, energy is absorbed by the reaction to make up the difference.
What are endothermic reactions?
500
H3+N -->
What is NH3