chem or physical
equations
begins with
begins with again
more begins with
100
burning wood
What is chemical
100
things on the left side of the arrow that start the reaction
What is reactants
100
m - anything that takes up space and has mass
What is matter
100
F name for the shorthand version of a compound like H2O or CO2
What is formula
100
A - thing between the reactants and products that says " goes to " or reacts to produce
What is arrow
200
can be reversed, matter stays the same
What is physical
200
things on the right side of the arrow that are made
What is products
200
p - type of change where no new substances are formed
What is physical
200
T - a change in this is often an indication of a chemical change
What is temperature
200
S- type of reaction, A+B -----> AB
What is synthesis
300
creates new substances with different properties
What is chemical
300
how much matter is created or destoyed in a reaction
What is none
300
2 words first starts with A second E , amount of energy required to start a reaction
What is activation energy
300
E - reaction that produces heat
What is exothermic
300
D - type of reaction where AB---> A + B
What is decomposition
400
boiling gasoline
What is physical
400
numbers in front of a chemical symbol that indicate how many of each there are
What is coefficients
400
I - substance used to slow a reaction
What is inhibitor
400
E - reaction that absorbs or uses heat
What is endothermic
400
R - type of reaction where AB + C ----> AC + B
What is replacement
500
2 liquids mix and a precipitate forms
What is chemical
500
HCL + NaOH -----> NaCL + HOH is what type of reaction
What is replacement
500
c- thing in a reaction that can speed it up
What is catalyst
500
S- name for the small number below a chemicals symbol that tells how many atoms of it are in the formula
What is subscript
500
B - what all chemical equations have to be, where the atoms on both side are equal
What is balanced
M
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