A student records the following data: a liquid is thick and has a density of 4.58 g/mL. Which data is qualitative?
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Which of the following is NOT a derived unit
grams per centimeter cubed (g/cm3)
meters per second (mps)
cubic meter (m3)
pounds per square inch (psi)
kilogram (kg)
all of the choices are derived units
Which of the following conversions is NOT correct?
1000 mm = 1 m
1 cm = 10mm
100 cg = 1 g
1 kg = 1000 g
1 cm = 1 mL
What is the SI base unit for temperature?
Pascal
Celsius
Fahrenheit
Kelvin
Liter
Three different people weigh a sample with a true mass of 2.00 g on the same electric balance. Each person obtains a reading of 2.01 g. These results imply that the balance that was used is
neither accurate or precise
accurate
precise
accurate and precise
In the measurement 0.503 L, which number is the estimated (uncertain) digit?
none of the digits are uncertain
3
The zero before the decimal
The zero between the 5 and 3
5
What is the length of the paper clip?
2.6
2.8
2.7 cm
2.70 cm
2.70
2.80
2.60
2.80 cm
2.6 cm
2.60 cm
2.8 cm
2.7
Which of the following numbers has the most significant zeros?
0.02500001
2.5100000
0.000002510
2.501 x 10-7
250000001
How many significant figures are in the measurement 40500 mg?
four
three
two
five
one
You have a set of five different metals, all with the same volume, but with different masses. Which metal will have the largest density?
There is not enough information to determine this
The metal with the smallest mass
All the metals will have the same density since they have the same volume