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Flashcards in test one textbook Deck (28)
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1
Q

matter

A

anything that has mass and takes up space

2
Q

chemeitsry

A

study of the compositions of matter and the changes that matter undergoes

3
Q

what are the 5 studys of chem

A

organic, inorganic, biochem, aalitical, physical

4
Q

orgainic chem

A

anything with carbon

5
Q

inorgainc chem

A

no carbon

6
Q

bio chem

A

processes that take place in living things

7
Q

anylitical

A

comp of matter

8
Q

physical chem

A

deals with rate of energy transfer

9
Q

reasons for studying chem

A

explaining natral world, prepairing for cancer, being an informend citizen

10
Q

technology

A

society giving what is needed and desired

11
Q

independent varible

A

minupulated varible

12
Q

depentet varible

A

responding varible

13
Q

theory

A

well tested explination fr broad range od ideas

14
Q

scietrific law

A

statement that is always true and summerizes the reasons fro a bread reange of experiments

15
Q

extencive proporty

A

depends on the amount of matter in the substance

16
Q

intensive proporty

A

depends on type of matter in the substance

17
Q

physical proporty

A

can be observed

18
Q

physical change

A

composition does not change

19
Q

chemical change

A

compostion does change

20
Q

mixture

A

physical blend of two or maore componets

21
Q

heterogeneous mixture

A

mixture that compositon is not uniform throughout the substance

22
Q

homogeneous mixture

A

mixture that compositon is uniform throughout the substance

23
Q

distilation

A

boliling t seperate substances by boiling point

24
Q

element

A

simplest form of matter

25
Q

compound

A

containing two or more lemnetns chemicaly combined

26
Q

accuracy vs precition

A

precition is smae while accuracy is close or on the accempted value

27
Q

hw many sig figs 0.30

A

2

28
Q

how to transform c to k

A

add 273