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