3326910
Frage 1
Frage
Which of these is not correct?
Antworten
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100 cm = 1 m
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1000 mL = 1L
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1 mL = 1 cm^3
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10 kg = 1 g
Frage 2
Frage
How many significant figures are in the measurement 2103.20 g?
Antworten
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2
-
4
-
5
-
6
Frage 3
Frage
How many significant figures in the measurement 0.040200 m?
Antworten
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3
-
5
-
6
-
7
Frage 4
Frage
How many grams are in 2.5 kg?
Antworten
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0.0025
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25
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250
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2500
Frage 5
Frage
Which is the SI (metric) unit for volume?
Antworten
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L
-
g
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K
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mg
Frage 6
Frage
How many seconds are in a 40-hr workweek?
Antworten
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1.4 x 10^5 s
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3600 s
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14400 s
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3.6 x 10^5 s
Frage 7
Frage
Your car gets 35 miles per gallon. How many km per liter does that equal?
(1.61km = 1 mile) and (1L = 0.264 gallons)
Antworten
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17 km/L
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15 km/L
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6.4 km/L
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244 km/L
Frage 8
Frage
Closeness of a measurement to its true value is a measure of its:
Antworten
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usefulness
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reproducability
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precision
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accuracy
Frage 9
Frage
Which sets of measurements is the most precise?
Antworten
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1, 3, 2
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10.5, 11.0, 11.5
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12, 15, 10
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120, 121, 122
Frage 10
Frage
What is the volume of 60.0g of ether if its density is 0.70 g/mL?
Antworten
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86 mL
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0.012 mL
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42 mL
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0.024 mL
Frage 11
Frage
Some liquid has a density of 1.19 g/mL. What is the mass of 2.0L of this liquid?
Antworten
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2380 g
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0.000420 g
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0.595 g
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2.38 g
Frage 12
Frage
A student measures a volume of 25 mL, whereas the correct volume is 23 mL. What is the percent error?
Antworten
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0.087%
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8.0%
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8.7%
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0.92%
Frage 13
Frage
What is the area of a piece of metal that measures 4.15 cm x 1.8 cm?
Use significant figures.
Antworten
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7.47 cm^2
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7.5 cm
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7.5 cm^2
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7.47 cm
Frage 14
Frage
What is the area of a substance that measures (1.7 x 10^-5 m) x (3.72 x 10^-4 m)
Use proper significant figures
Antworten
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6.324 x 10^-9 m2
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6.32 x 10^-9 m2
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6.324 x 10^-1 m2
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6.3 x 10^-9 m2
Frage 15
Frage
How many cm^3 are in 1 m^3 ?
Antworten
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10^3
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100
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10^6
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10^9
Frage 16
Frage
A box measures 0.50 m x 0.50 m x 0.50 m. What is the volume (L) of the box?
Antworten
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0.125 L
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12.5 L
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125 L
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1250 L
Frage 17
Frage
What is the lowest point on the Kelvin scale?
Antworten
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100
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0
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-273
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273
Frage 18
Frage
Convert 378 Kelvin into Celsius.
Antworten
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651 C
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105 C
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378 C
Frage 19
Frage
Convert 378 Celsius into Kelvin.
Antworten
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651 C
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105 C
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378 C
Frage 20
Frage
Which is the correct scientific notation for 0.000864
Antworten
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86.4 x 10^-5
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86.4 x 10^-4
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8.64 x 10^-5
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8.64 x 10^-4
Frage 21
Frage
What is this number, 8.675 x 10^5 in standard form?
Round to two significant figures
Antworten
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870000
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867500
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0.000087
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0.0000867
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