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JEOPARDY!
ReactionsTest Review
Chemical Formulas
Chemical Reactions Vocabulary
Balancing Equations
100 100 100 100
200 200 200 200
300 300 300 300
400 400 400 400
500 500 500 500
Chemical Formulas100
How many different elements are represented in the formula
NH4OH?
Chemical Formulas500
What does the coefficient tell you about a molecule?
5H2O
Chemical Formulas300
How many new substances are created during the following reaction?
Na + H2O NaOH + H2
Chemical Formulas400
How many atoms of each element are in the chemical 2Cu(NO3)2?
Chemical Formulas200
How many atoms of each element are in the chemical 4NaOCl2?
Chemical Reactions100
What 2 things can happen to the heat energy during a chemical reaction?
Chemical Reactions200
Wood burning is an example of an ____________________ reaction.
Chemical Reactions300
The starting materials, or items on the left side of the chemical equation are called the _________________.
Chemical Reactions400
The law of conservation of mass says that energy will never be created or
______________.
Chemical Reactions500
In the following equation: S + Fe FeS, if you have 8 grams of S, how many grams of Fe would you need
to produce a total of 20 grams of FeS?
Vocabulary100
A ___________ is a shorthand notation that represents a compound or chemical.
Vocabulary200
Describe the heat energy in the following reaction:
Time
Energy
Vocabulary300
The 2 in the formula Ag2S is a _____________.
Vocabulary400
The part of the atom involved with bonding are called ________________.
Vocabulary500
A(n) _________________ reaction absorbs heat energy making the inside of the reaction warmer, but the outside temperature cooler.
Balancing Equations100
H2 is on which side of the equation below?
H2 + O2 a H20
Balancing Equations400
Balance the following equation:Fe + O2 a Fe2O3
Balancing Equations300
In the following equation, what MUST be true about CO2 and H2O when compared to CH4 and O2 ?
CH4 + O2 CO2 + H2O
Balancing Equations500
Balance the following equation:Ba(CN)2 + H2SO4 a BaSO4 + HCN
Balancing Equations200
Is the following equation balanced?NH4OH a NH3 + H2O