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WorksheetsMeasurement in Chemistry
Total questions: 10
Worksheet time: 15mins
The boiling point of chlorine is ‑34.6 °C. This temperature
expressed in kelvins is
-30.3K
177.4K
238.6K
243.0K
The momentum of an object is its mass times its velocity. What is the derived SI unit for momentum?
kg/m
kg m/s
g m/s
m/s2
Which is the longest measurement?
10 mm
10 dm
10 cm
10 micrometer
How many significant figures should be displayed in the result of the operation, 8.5201 + 1.93?
1
2
3
4
The diameter of a certain atom was found to be 2.35 x 10‑8 cm. How many nanometers is this?
2.35 x 101 nm
2.35 x 10‑19 nm
2.35 x 10‑1 nm
2.35 x 10‑10 nm
How many cm3 are in 0.00424 dm3?
4.24 cm3
0.424 cm3
424 cm3
0.0424 cm3
The density of gold, expressed in non-SI units is 19.3 g/cm3. In SI units, the density is
0.0193 kg/cm3
1.93 x 104 kg/m3
1.93 x 104 kg/cm3
193 kg/m3
An empty volumetric flask, weighing 27.16 grams, has a volume of 100.4 cm3. How much would it weigh when filled with bromine, an element that has a density of 3.1028 g/cm3?
395.8 g
284.4 g
338.7 g
311.5 g
Convert 2.5 kg/m3 into g/m3
0.25
0.25
0.0025
0.00025
Convert 39.45 g/mL into kg/L
0.03945
0.3945
3.945
39.45
