Sprite
Coca-Cola
Fanta
Mr. Pibb
Dr. Pepper
100
One of the following is NOT a physical change: splitting wood, melting ice, burning wood or dissolving salt in water.
What is burning wood?
100
In the formula 5CaSO4, this is the number of oxygen atoms.
What is 20?
100
Substance(s) that enters a chemical reaction is called this (on the left side of the reaction).
What is a reactant?
100
Define a balanced equation?
When the masses of both the reactants and products equal one another.
100
PUNISHMENT BOX
200
In a chemical reaction the substances to the right of the arrow are called this/these?
What is/are products?
200
DOUBLE JEOPARDY!!!!!!!!!!
C3H8 + O2 ->3CO2 + 4H2O + thermal energy is this type of reaction.
200
When two or more simple substances combine to form a new, more complex substance it is this type of reaction.
What is synthesis?
200
What is the Law of Conservation of Mass?
Matter is neither created nor destroyed.
200
The type of chemical reaction that occurs when soda goes flat.
What is decomposition?
300
The number that describes how many molecules of a substance are involved in a chemical reaction.
What is a coefficient?
300
What is a catalyst?
Any substance or form of energy that speeds up a chemical reaction.
300
An expression in which symbols and formulas are used to represent a chemical reaction.
Chemical Equation
300
What type of reaction involves switching "dance partners?" with one another?
Double displacement or replacement.
300
PUNISHMENT BOX
400
When balancing an equation, this can not be changed.
What is a subscript?
400
Which of the five reactions involves one element replacing an element in a compound?
Single-Replacement
400
An increase in temperature from an outside source will usually cause the rate of reaction to ________________.
What is increase?
400
The reaction 2HgO -> 2Hg + O2 is an example of this type of reaction.
What is decomposition?
400
DOUBLE JEOPARDY!!!!!!!!!!
A solid that forms from a solution during a chemical reaction.
500
DOUBLE JEOPARDY!!!!!!!!
What symbol indicates that heat is applied to a reaction?
500
How do you know if a chemical reaction has taken place?
What is temp change, color change, the formation of gas, and the formation of a precipitate.
500
How do you represent a catalyst in a chemical equation?
On top or below the arrow sign.
500
What is the arrow called in a chemical reaction?
Yield
500
What was the reaction I used when I broke down the Hydrogen Peroxide? Why did the match get brighter?
Decomposition; the amount of O2 that was in the air.