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Writing Chemical Equations
Balancing Chemical Equations
Types of Chemical Reactions
Predicting Products
Miscellaneous
100
A representation of a chemical reaction
What is a chemical equation?
100
Small whole numbers that are placed in front of the formulas in an equation to balance it.
What is a coefficient?
100
A chemical change in which two or more substances react to form a single new substance
What is a synthesis/combustion/combustion or synthesis reaction?
100
Product (s) of a combination reaction
What is a single compound?
100
Uses symbols to represent a chemical reaction and shows the relationship between the reactants ad products of a reaction.
What is a chemical change
200
A substance that speeds up the reactions but not used up.
What is a catalyst?
200
Chemical equations are balanced to obey this law of chemistry.
What is the law of conservation of mass/matter?
200
This type of reaction always has starts off with a single product.
What is a decomposition reaction?
200
Product(s) of a decomposition reaction
What are two elements or two or more elements and/or compounds?
200
Reactions that release energy
What is exothermic?
300
A substance that takes part in and undergoes change during a reaction.
What is a reactant?
300
The coefficients used to balance this equation: K2O (s) + H2O (l) → KOH (aq)
What are 1, 1, 2 ?
300
Identify the type of reaction: Br2 (aq) + NaI (aq) --> NaBr(aq) + I2 (aq)
What is single displacement?
300
Product(s) of a single-replacement reaction?
What is a different element and a new compound?
300
Tells you the mole ratio, or proportion of reactants and products.
What is a balanced equation?
400
Name for a solid formed as a product in a chemical reaction.
What is a precipitate?
400
The written and balanced chemical equation of the following: iron (III) chloride + calcium hydroxide --> iron (III) hydroxide + calcium chloride
What is FeCl3 + Ca(OH)2 --> Fe(OH)3 + CaCl2 ?
400
Type of reaction involving two ionic compounds
What is a double-replacement reaction?
400
Product(s) of a double-replacement reaction?
What are two new compounds?
400
This type of reaction breaks substances apart.
What is a decomposition reaction?
500
This symbol (-->) stands for this explanation when reading out a chemical equation?
What is "yields"?
500
The missing reactant and coefficients to balance this equation: Bi(NO3)3 (aq) + _________ --> Bi2S3 (s) + HNO3 (aq)
What are 2, 3 --> 1, 6 and H2S?
500
These three molecules are commonly found in a combustion reaction?
What are oxygen gas (O2), carbon dioxide (CO2), and water (H2O)?
500
Product(s) of a combustion reaction?
What are carbon dioxide (CO2) and water (H2O)?
500
Speeds up or slows down a reaction but is not changed by the reaction.
What is a catalyst?