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Density, significant figures, & dimensional anal ...
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A chunk of aluminum with a volume of 0.00710 L has an unknown mass. But the density is known to be 2.70 g/mL. Calculate the mass
19.2 g
A pumice rock was weighed at 24 grams and placed into a beaker with 140 mL of water in it. The level rose to 170 mL after the rock was placed into it. Calculate the density
0.80 g/mL
A chunk of aluminum weighing 6.5 grams has an unknown volume. But the density is known to be 2.70 g/mL. Calculate the volume
2.4 mL
A rock was weighed at 75.5 grams and placed into a beaker with 140 mL of water in it. The level rose to 170 mL after the rock was placed into it. Calculate the density
2.5 g/mL
Density of a 1.1 g gaseous sample with a volume of 3.0 mL
0.37 g/mL
99.99 - 70.1 (answer with correct SF)
29.9
1,000,000.000. (# of SF?)
10
1.764450 x10^10 (# of SF?)
7
1.0125000 (# of SF?)
8
0.01480 (# of SF?)
4
15.5486 (# of SF?)
6
Mass of a copper sample (D = 8.96 g/mL) with a volume of 4.0 mL
36 g
Volume of a copper sample (D = 8.96 g/mL) with a mass of 22 grams
2.5 mL
Mass of a copper sample (D = 8.96 g/mL) with a volume of 3.0 mL
27g
Volume of a copper sample (D = 8.96 g/mL) with a mass of 19 grams
2.1 mL
Density of a 11.0 g rock with a volume of 5.0 mL
2.2 g/mL
volume of a cylinder with a radius of 3.0 cm & 2.33 cm long, in mL
66 mL
density of a sphere with a radius of 2.5 cm and weighing 70.00 grams, in g/mL
1.1 g/mL
volume of a sphere with a radius of 2.5 cm, in mL
65 mL
density of a cube 4.0 cm on each side & weighs 120 grams, in g/mL
1.9 g/mL
volume of a cube 4.0 cm on each side in mL
64 mL
4.7 x 10^-5 mm/ns to km/hr
170 km/hr
Convert 1.77 miles per minute to km/hr [1.609km = 1mile]
171 km/hr
Convert 47.50 m/s to km/hr
171.0 km/hr
convert 120,000 ng to kg
1.2 x 10^-7 kg
convert 1200 micrograms to kg
1.2 x 10^-6 kg
convert 120 mg to kg
1.2 x 10^-4 kg
15 x 20.00 (answer with correct SF)
3.0 x 10^2
6,000 / 20.0 (answer with correct SF)
300
824/31 (answer with correct SF)
27
10 x 2.800 (answer with correct SF)
30
24 + 5.61 (answer with correct SF)
30.
11,000.00 (# of SF?)
7
11,000. (# of SF?)
5
11,000 (# of SF?)
2
10,000 (# of SF?)
1
0.0000001250 (# of SF?)
4
1.00790 (# of SF?)
6
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