Vocabulary that Matters
When one or more substances are changed into new substances is called this.
What is a chemical reaction?
In chemical reactions the -> symbol stands for this.
What is yields?
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/Matter
If there is one product in your equation, then you have this type of reaction (A + B --> C)
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What is a synthesis reaction?
The elements are written with one of these in a chemical equation to tell how many of each element
What is a subscript?
When the number of atoms is equal on each side we say that the equation is this.
What is a balanced equation?
When heat or gas are produced, a color change occurs or a precipitate is formed this is an indication of this
What are signs of a chemical reaction
These are used to help balance chemical equations.
What are coefficients?
This chemical reaction has the generic formula of: C--> A + B
What is a decomposition reaction?
The symbol (g) stands for this in a chemical equation.
What is a gas?
When an element occurs naturally with a subscript of 2 it is called this (example N2)
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What is a diatomic element?
In the chemical reaction, Mg + O -> MgO, the compound MgO is called the ____________.
What is the product?
Balance the following chemical equation: Fe + O2 --> Fe2O3
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4 Fe + 3O2 --> 2Fe2O3
A combustion reaction has these 3 things (beyond the hydrocarbon) in every combustion reaction. One is a reactant and 2 are products
What are oxygen, carbon dioxide, and water?
The symbol aq stands for this
What is aqueous (dissolved in water)?
The law that explains why equations must be balanced so the same number of atoms of each element appears in both the reactants and products
What is the Law of Conservation of Matter?
Atoms of elements bond and form compounds in order to satisfy this rule
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What is the octet rule?
Balance the following equation : Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
When cations from 2 compounds switch places, this type of reaction occurs.
What is a double displacement reaction?
This type of reaction is a: 2Na + 2H2O --> 2NaOH + H2
What is a single replacement reaction?
This term refers to a substance that has been dissolved in water
What is an aqueous solution?
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
Balance the following equation AND tell the reaction type! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15 O2 --> 12 CO2 + 6H2O
What are the 5 types of reactions?
synthes, decompostion, combustion, single replacement, and double displacement
Write the FORMULA for the following:
Lithium phosphide is added to magnesium nitrate and the reaction yields magnesium phosphide and lithium nitrate
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2 Li3P +3 Mg(NO3)2 --> Mg3P2 + 6 LiNO3