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Vocabulary that Matters
Chemicals Don't Reason they React
Balancing Act
Who Dat?
Miscellaneous
100
When one or more substances are changed into new substances is called this.
What is a chemical reaction?
100
In chemical equations the --> symbol stands for this.
What is yields? But we will accept "reacts to produce" No! "Reaction" or "Chemical Reaction" are NOT sufficient. Stop whining. It's only 100 points.
100
When the number of atoms are equal on both sides of the equation, this law has been fulfilled.
What is the Law of Conservation of Mass
100
If energy is absorbed, then you have this kind of reaction.
What is an endothermic reaction?
100
The diatomic elements, like oxygen molecules, are written with one of these in a chemical equation.
What is a subscript?
200
When the number of atoms is equal on each side we say that the equation is this.
What is balanced?
200
When heat is produced, light is emitted, or a precipitate is formed this is an indication of this.
What is a chemical reaction/change?
200
These are used to help balance chemical equations.
What are coefficients?
200
This chemical reaction has the generic formula of: AB --> A + B
What is a decomposition reaction?
200
The symbol (g) stands for this in a chemical equation.
What is a gas?
300
A characteristic of a substance that can be observed without changing the substance into another substance
What is a physical property?
300
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation.
What is the product side?
300
Balance the following chemical equation. You must show all work and simplify your answer. Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
300
A combustion reaction has these 3 things in every combustion reaction
What are hydrocarbons, carbon dioxide, and water?
300
CsF is an example of this type of substance
What is a compound?
400
Can be used to describe either an element or a compound
What is a substance?
400
Elements form compounds in order to satisfy this characteristic.
What is a complete octet?
400
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
400
When ions from 2 compounds switch places, this type of reaction occurs.
What is a double displacement reaction?
400
What sound did the hydrogen gas make when Ms T put a match by the test tube?
POP bop
500
This term refers to a substance that has been dissolved in water
What is an aqueous solution?
500
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
500
Balance the following equation. You must show all work and simplify your answer! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
500
Please list each type of reaction, give an example of each type, and balance each equation
Ca + S --> CaS, synthesis 2AlN --> 2Al + N2, decompostion CH4 + 2O2 --> CO2 + 2H2O, combustion 2KI + Cl2 --> 2KCl + I2, single replacement Pb(NO3)2 + 2NaI --> 2NaNO3 + PbI2, double displacement
500
Balance the following equation. Be sure to show all work and simplify your answer. (NH4)3PO4 + Mg(NO3)2 --> Mg3(PO4)2 + NH4NO3
2(NH4)3PO4 +3Mg(NO3)2 --> Mg3(PO4)2 + 6NH4NO3