stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chemistry Intro Flashcards | StudBud
Explore
/
Chemistry Intro
Chemistry Intro
12 terms
·
StudBud Administration
·
87 plays
Introductory material, math, history
Flashcards
12 cards
F
Practice quiz
P
Host live
L
Questions
12
Answers
1
How many significant figures in 0.00200030
5
6
9
2
2
___ using chemistry to attain certain goals – leads to an application
applied chemistry
all answer choices
pure chemistry
alchemy
3
__________ is
study of
composition
,
structure
,
properties
of matter and
changes
it undergoes
analytical chemistry
physics
chemistry
biology
4
round this number to 4 significant figures(digits): 044.67821
44.68
044.678
44.6782
44.67
5
variable observed during the experiment would be described as
manipulated variable
hypothesis
independent variable
dependent variable
6
Which statement does not describes constants?
must be the same throughout the experiment
the variable that we observe to see if it changes
constant
must always be included in an experiment
7
Subtract and answer using the correct significant figures: 7.81-7.456
.355
0.35
0.354
0.34
8
Add 5 + 2; give your answer with 2 significant digits
07.
7.0
80
08.
9
What is the difference between a law and a theory?
a theory explains why it happens-a law explains what happen
a law explains what happens and a theory explains why
they are the same
a theory can never change
10
How many significant figures in 9.0002
2
3
0
5
11
600 has ________________ significant digits.
4
3
0
1
12
Which description below is quantitative?
frigid
very hot
100 degrees F
very dry
