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Terms in this set (15)
Select all of the equalities below that correctly relate metric units.
1) 1 cL = 10^-2 L
2) 1 uL = 10^6 L
3) 1 L = 10 dL
4) 1 L = 10^6 uL
5) 1 mL = 1 cc
6) 1 mL = 10^-3 L
7) 1 dL = 10 L
1) 1 cL = 10^-2 L
3) 1 L = 10 dL
4) 1 L = 10^6 uL
5) 1 mL = 1 cc
6) 1 mL = 10^-3
L
Which of the following are correct unit conversion factors involving the gram?
1) 10^-6 ug / 1 g
2) 1 lb / 454 g
3) 1 mg / 10^-3 g
4) 1 g / 10^-3 kg
5) 1 g / 10^-3 mg
2) 1 lb / 454 g
3) 1 mg / 10^-3 g
4) 1 g / 10^-3 kg
Which of the following volumes are equal to one liter? Select all that apply.
1) 10^9 nL
2) 10^-3 mL
3) 1,000
cm^3
4) 100 dL
5) 1 dm^3
1) 10^9 nL
3) 1,000 cm^3
5) 1 dm^3
Select all the statements that correctly describe compounds.
1) All known compounds are listed on the periodic table.
2) Compounds can be separated into elements by physical processes.
3) Compounds are formed by chemically combining two or more elements.
4) Compounds are pure substances.
3)
Compounds are formed by chemically combining two or more elements.
4) Compounds are pure substances.
Select all of the metric unit equalities below that are correct.
1) 1 m = 10^3 mm
2) 1 m = 10^-3 mm
3) 1 ng = 10^-9 g
4) 1 g = 10^6 Mg
5) 1 Mg = 10^6 g
6) 1 m = 10^3 km
7) 1 km = 10^3 m
1) 1 m = 10^3 mm
3) 1 ng = 10^-9 g
5) 1 Mg = 10^6 g
7) 1 km = 10^3 m
Select all of the unit equalities that do not have any uncertainty.
1) 1 qt = 946 mL
2) 1 lb = 16 oz
3) 1 ft = 12 in.
4) 1,000 mL = 1 L
5) 1 km = 0.621 mi
6) 1 kg = 2.20 lb
7) 100 cm = 1m
2) 1 lb = 16 oz
3) 1 ft = 12 in.
4) 1,000 mL = 1 L
7) 100 cm = 1m
Match the quantities on the left with the number of significant figures in each.
3.4
0.3492
0.0005
530.02
4970
1 - 0.0005
2 - 3.4
3 - 4970
4 - 0.3492
5 - 530.02
Which of the following calculations are reported with the correct number of significant figures? Select all that apply.
1) 0.002 x 7.123 = 0.014
2) 1054 / 205 = 5.14
3) 51.45 x 0.274 = 14.1
4) 20.75 x 0.30 = 6
2) 1054 / 205 = 5.14
3) 51.45 x 0.274 = 14.1
What is the mass, in kg, of a 2.12-g piece of lead?
1) 2.12 x 10^3 kg
2) 0.454 kg
3) 1.00 x 10^3 kg
4) 2.12 x 10^-3 kg
4) 2.12 x 10^-3 kg
Which of the follwing is the largest volume?
1) 1.2 x 10^4 mL
2) 0.010 kL
3) 9.5 L
4) 3.4 x 10^6 uL
1) 1.2 x 10^4 mL
Order the steps in solving unit conversions, beginning with the first.
- Identify the given units and the desired units in the problem.
- Arrange the conversion factors so that unwanted units cancel.
- Determine the conversion factor(s) necessary to relate the given units to the desired units.
- Perform the numerical calculation.
1) Identify the given units and the desired units in the problem.
2) Determine the conversion factor(s) necessary to relate the given units to the
desired units.
3) Arrange the conversion factors so that unwanted units cancel.
4) Perform the numerical calculation.
You are asked in a problem to convert a given number of micrometers into meters. Select the appropriate conversion factor, properly arranged, from the list below.
1) 1 um / 10^-6 m
2) 10^-3 m / 1 um
3) 10^-6 m / 1 um
3) 10^-6 m / 1 um
Identify the correct conversion factor to solve the following problem: How many milliliters of Children's Motrin are needed to administer 160 mg of ibuprofen? Children's Motrin contains 100 mg of the active ingredient, ibuprofen, in 5 mL.
1) 100 mg / 5 mL
2) 160 mg / 5 mL
3) 5 mL / 160 mg
4) 5 mL / 100 mg
5) 100 mg / 1 mL
4) 5 mL / 100 mg
You are asked in a problem to convert a given quantity, in grams, into milligrams. Select the appropriate conversion factor, properly arranged, from the list below.
1) 10^-3 g / 1 mg
2) 1 mg / 10^-3 g
3) 1 mg / 10^3 g
2) 1 mg / 10^-3 g
Which of the following units are possible units for density? Select all that apply.
1) mg / dL
2) kg / L
3) cc / g
4) uL / mg
5) mL / g
6) g / cc
1) mg / dL
2) kg
/ L
6) g / cc
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