Chapter3:changes and properties Flashcards
1
Q
How can we seperate mixtures
A
filter distilation -boiling points(alchohol is lower that H2O Crystalization suplimation chromotogrophy
2
Q
Can compounds be broken down
A
yes
3
Q
can elements be broken down
A
no
4
Q
Law of difinite proportions
A
compounds contain the exact same proportions regardless of samel size or source.
5
Q
law of multiple proportions
A
when multiple compounds are formed between 2 elements the ratios of the masses of each element in each compound will be whole numbers of eachother.
6
Q
La of conservation of mass
A
mass does not change during a chemical reactin
