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Unit 12

balancing equations Vocab

TermDefinition
reactants in a chemical equation the compounds that are going into a reaction are called the? AB --> A + B (AB side)
products in a chemical equation the compounds being made, and are coming out after it has fully reacted, is called? AB --> A + B (A + B side)
coefficients the numbers in a chemical formula that are large and are in front of a compound is called? Example in 2NaBr the large 2
subscripts the numbers written below the line next to an atom in a chemical formula is called? Example in H2O the 2 is below the line
single replacement reaction a reaction where one atom or compound is exchanged is called? Example A + BC --> AC + B
double replacement reaction a reaction where two compounds are exchanged in the product is called? AB + CD --> AD + BC
decomposition reaction a reaction where compounds are breaking down into atoms it is called ABC --> A + B +C
synthesis reaction a reaction where atoms are coming together into compounds is called? Example A + B +C --> ABC
endothermic reaction when a reaction absorbs energy but the temperature does not increase, the reaction is called?
exothermic reaction a reaction that has a release of energy creating heat, what type of a reaction is it?
Acid (?) When the Potential Hydrogen in a substance is high and there are many H+ ions, that substance is said to be?
Base (?) when a substance is high in OH- ions, the substance is said to be?
oxidation when a chemical reaction loses electrons it is called_____?
reduction when a chemical reaction gains electrons it is called ____?
(teacher will write on the board, study using class handouts) Balance a chemical equation...List, count, find the small one, find the small one....
(teacher will write on the board) Use oxidation numbers to determine a compounds formula
(teacher will write on the board, study using class handouts) Balance a chemical equation...List, count, find the small one, find the small one....
(teacher will write on the board) Balance a chemical equation...List, count, find the small one, find the small one....
(teacher will write on the board, study using class handouts) Use oxidation numbers to determine a compounds formula
(teacher will write on the board) Use oxidation numbers to determine a compounds formula
Base Mostly, a formula that purposefully ends in OH would be considered a ...
Acid Mostly, a formula that purposefully starts with H would be considered to be .....
Base From above a 7pH to 14 pH is considered to be ....
Acid From below a 7 pH the pH is considered to be ....
Neutral Technically a perfect 7ph would be considered to be...
Combustion CH + Oxygen --> CO2 + H2O
Law of Conservation of Energy matter can be neither created nor destroyed.
catalyst Something that speeds a chemical reaction up. (An example is stomach acid speeding up the digestion process)
inhibitor something that slows a chemical reaction down
activation energy the initial energy required to start a reaction (Like in our labs where we had to add heat to make a reaction occur.)
surface area exposure. heat, concentration, mixing, adding a catalyst 5 things that can change the rate of a reaction.
Salt & Water Acid plus a Base creates __________ & ___________
Neutralization Reaction A reaction where you add enough acid to a base to get the pH to be neutral is called what type of a reaction?