Matter
Anything that has mass and takes up space
What is matter?
depends on the amount of matter in the sample
what is Extensive properties
evidence of a chemical change
what is heat or light
5 X 10-4
0.0005
0.0002
1 sig fig
this mixture is not uniform in composition, give an example
what is a heterogenous mixture : chocolate chip cookie
depends on the type of matter, not the amount present
what is intensive properties
the stuff you start with in a chemical reaction
what is reactants
8.0 x 103 minus 2.0 x 103
6.0 x 103
100.000
6 sig figs
same composition throughout; called “solutions”
homogenous mixtures
a substance that can be observed without changing it into another substance
What is physical properties
what you make in a chemical reaction
(4.12 X 106) + (3.94 X 104)
4.15 X 106
150000
2 sig figs
give 3 examples on how to separate mixtures
what is filters, paper chromatography, distillation, gel electrophoresis etc.
its ability to change into different substance
What is chemical properties
energy, color change, gas production, precipitate, and irreversibility are examples of
what is Chemical change
(3.42 X 105)x(4.67 X 109)
1.597 X 1015
135.50 (WANT 3 SF)
136
substances that can be broken down only by chemical methods
what is a compound
Study of matter and how matter changes
what is chemistry
mass of product equals mass of reactant
what is law of conservation of mass
1.51 X 105 / 3.66 X 10-4
4.13 X 108
98.59 (WANT 2 SF)
99