stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chemistry Holt Chapter 2 Flashcards | StudBud
Explore
/
Chemistry Holt Chapter 2
What is the SI derived unit of area? (l*w)
Which is an example of a quantity?
Chemistry Holt Chapter 2
35 terms
·
StudBud Administration
·
223 plays
#chem
Flashcards
35 cards
F
Practice quiz
P
Host live
L
Questions
35
Answers
1
Which is an example of a quantity?
second
liter
mass
gram
2
What is the SI derived unit of area? (l*w)
m/s^2
m^3
cm^3
m^2
3
What is a conversion factor?
ratio derived from the equal. of btwn diff. units 2 convert
something used to change something else
a unit from one to another
4
Which is a unit for density? d=m/v
g/L
g/s
g/cm^3
5
Which of the following will float on water? (water's density is 0.998 g/mL)
3.26 g/cm^3
11.35 g/cm^3
1.85g/cm^3
0.24g/cm^3
6
Our measurement system has an international standard because....
to show national superiority
to promote universal division and spread confusion
because scientists are weird
to have universal agreement and avoid confusion
7
Which of the following images shows accuracy and no precision?
d
a
c
b
8
Which of the following images shows accuracy and precision?
b
a
c
d
9
What is qualitative information?
non numerical info
numerical info
descriptive data
smart person data
10
Which of the following will sink in milk? (1.031 g/mL)
0.92 g/cm^3
11.35 g/cm^3
0.86 g/cm^3
11
Arrange compute, plan, evaluate and analyze in the correct order.
plan- evaluate- analyze- compute
analyze-compute-plan-evaluate
analyze-plan- compute- evaluate
compute-analyze-evaluate- plan
12
What is the numerical equivalent of a kilo?
1000
1,000,000
.000006
.100
13
Which SI unit would be appropriate to measure the length of a bacterial cell?
micrometer
kilometer
millimeter
meter
14
Find number of kilometers in 93.25 m
9.325*10^-2km
9.325*10^2 km
15
What is the definition of a hypothesis?
an experiment
broad generalization
testable statement that serves as basis for predictions
data used in an experiment
16
Which is an example of a hypothesis?
When does the world end?
I am certain the math test is easy.
I study hard.
If I study vigorously, then I will pass the test.
17
What is the numerical equivalent of a mega?
1000
.000006
.100
1,000,000
18
What is quantitative information?
descriptive information
non numerical information
numerical information
smart-people stuff
19
Calculate the number of milliliters in 0.603 L
6.03*10^-3 mL
6.03*10^3 mL
6.03*10^2 mL
6.03*10^-2 mL
20
What is the numerical equivalent of a micro?
.100
1,000,000
.000006
1000
21
Which equation is used to calculate percent error?
percent error= (expected V- expected V/ accepted v) * 100
percent error= (expected V- accepted V/ expected v) * 100
percent error= (expected V- accepted V/ accepted v) * 100
percent error= (accepted V- accepted V/ accepted v) * 100
22
What is a derived unit?
a quotient of units
a combination of fundamental units
two units put together
23
What is the numerical equivalent of a centi?
.000006
1000
1,000,000
.100
24
What makes a model differ from a theory?
a model is broader than a theory
a theory is broader than a model
25
Which SI unit is appropriate to measure the mass of a 250mL beaker?
gram
microgram
kilogram
26
Which SI unit would be appropriate to measure the width of a gymnasium?
micrometer
millimeter
centimeter
meter
27
Which SI unit is appropriate to measure the mass of a table?
kilogram
gram
gram
28
Which of the following images shows no accuracy and no precision?
c
d
a
b
29
Which SI unit would be appropriate to measure the length of a finger?
kilometer
meter
millimeter
micrometer
30
What is the general form for writing numbers in scientific notation?
M * 10^ n and 1<M>10
M * 10^ n and 1<M<10
M * 10^ n and M<10
M * 10^ n and M>10
31
Which SI unit would be appropriate to measure the distance between your town to the next state?
kilometer
meter
micrometer
millimeter
32
Which SI unit is appropriate to measure the mass of a coin?
kilogram
microgram
gram
33
What is the volume, in m^3, of a solid that is .25m long, 6.1m wide, and 4.9m high?
7.5m
7.5mm
7.5m^3
7.5m^2
34
Which is an example of a unit?
liter
time
volume
mass
35
What is a model in the scientific sense?
a construct
visual, verbal, or mathematical explanation of phenomena
a physical figure used to represent something else
something used for explanation purposes
