Chem 104 Fall 2023 (Almost) Entire
Chem Review For Final exam (198
questions and answers)
Which of the following is a scientific law?
Energy may be converted from one form to
another, but the total quantity of energy remains
constant.
True or False: An observation is an educated
guess?
False
What is the correct unit for mass in the metric
system?
Gram
Which of th efollowing units is NOT used as a
standard SI unit? Mete (m), Liter (L), kelvin (K), or
seconds (s)
liter (L)
What is the SI unit for volume?
cubic meter, m^3
What is the SI unit for mass?
kilogram, kg
What is the SI unit for length?
meter, m
,What is ther SI unite for temperature?
kelvin, K
Which digits are certain and which are estimated:
45.872?
the first four digits are certain and last digit is
estimated
How many significant figures are in the number
1.30x10^4?
3
How many significant figures are in the number
0.00013?
2
How many significant figures are in the number
895675?
6
How many significant figures are in the number
0.000869?
3
How many significant figures are in the number
0.5672100?
7
How many significant figures are in the number
6.022x10^23?
4
, How many significant figures are in the number
0.1125?
4
How many significant figures are in the number
13100?
3
For multiplication and division, the quantity with
the _ significant figures determines that significant
figures in the answer.
fewest
For addition and subtraction, the quantity with the
_ decimal places determines the number of decimal
place sin the answer.
fewest
1 cm^3= _ mL
1
Density=_
mass/volume
Objects that _ in water are more dense than water.
sink
The density of a substance can be used as a
converstion factor between the _ of the substance
and its volume.
mass
Chem Review For Final exam (198
questions and answers)
Which of the following is a scientific law?
Energy may be converted from one form to
another, but the total quantity of energy remains
constant.
True or False: An observation is an educated
guess?
False
What is the correct unit for mass in the metric
system?
Gram
Which of th efollowing units is NOT used as a
standard SI unit? Mete (m), Liter (L), kelvin (K), or
seconds (s)
liter (L)
What is the SI unit for volume?
cubic meter, m^3
What is the SI unit for mass?
kilogram, kg
What is the SI unit for length?
meter, m
,What is ther SI unite for temperature?
kelvin, K
Which digits are certain and which are estimated:
45.872?
the first four digits are certain and last digit is
estimated
How many significant figures are in the number
1.30x10^4?
3
How many significant figures are in the number
0.00013?
2
How many significant figures are in the number
895675?
6
How many significant figures are in the number
0.000869?
3
How many significant figures are in the number
0.5672100?
7
How many significant figures are in the number
6.022x10^23?
4
, How many significant figures are in the number
0.1125?
4
How many significant figures are in the number
13100?
3
For multiplication and division, the quantity with
the _ significant figures determines that significant
figures in the answer.
fewest
For addition and subtraction, the quantity with the
_ decimal places determines the number of decimal
place sin the answer.
fewest
1 cm^3= _ mL
1
Density=_
mass/volume
Objects that _ in water are more dense than water.
sink
The density of a substance can be used as a
converstion factor between the _ of the substance
and its volume.
mass
