7338116
Descripción
Test por Cecilia Bui, actualizado hace más de 1 año
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Creado por Cecilia Bui
hace casi 8 años
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Pregunta 1
Pregunta
[blank_start]absolute zero[blank_end] - the lowest point on the Kelvin scale
Respuesta
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absolute zero
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mass
-
Kelvin temperature scale
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Celsius temperature scale
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weight
Pregunta 2
Pregunta
[blank_start]Kelvin temperature scale[blank_end] - the SI scale for temperature
Respuesta
-
Kelvin temperature scale
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Celsius temperature scale
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weight
-
mass
-
precision
Pregunta 3
Pregunta
[blank_start]mass[blank_end] - kilogram is the SI unit for this quantity
Respuesta
-
mass
-
weight
-
precision
-
Kelvin temperature scale
Pregunta 4
Pregunta
[blank_start]accuracy[blank_end] - closeness to true value
Respuesta
-
accuracy
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precision
-
absolute zero
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Kelvin temperature scale
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mass
-
significant figure
Pregunta 5
Pregunta
[blank_start]Celsius temperature scale[blank_end] - the non-SI scale for temperature
Respuesta
-
Celsius temperature scale
-
Kelvin temperature scale
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absolute zero
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weight
-
mass
-
accuracy
Pregunta 6
Pregunta
[blank_start]significant figure[blank_end] - known or estimated in a measurement
Respuesta
-
significant figure
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mass
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weight
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precision
-
accuracy
Pregunta 7
Pregunta
[blank_start]precision[blank_end] - narrowness of range of measurements
Respuesta
-
precision
-
accuracy
-
significant figure
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mass
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weight
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absolute zero
Pregunta 8
Pregunta
[blank_start]weight[blank_end] - the force of gravity on an object
Respuesta
-
weight
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mass
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precision
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absolute zero
Pregunta 9
Pregunta
What quantity is represented by the metric system prefix deci-?
Respuesta
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100
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0.01
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0.1
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1000
Pregunta 10
Pregunta
Express the sum of 7.68 m and 5.0 m using the correct number of significant digits.
Respuesta
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10 m
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13 m
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12.7 m
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12.68 m
Pregunta 11
Pregunta
In measurement 0.503 L, which digit is the estimated digit?
Respuesta
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3
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the 0 to the left of the decimal point
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5
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the 0 immediately to the left of the 3
Pregunta 12
Pregunta
Three different people weigh a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 g for the mass of the standard. These results imply that the balance that was used is ___.
Respuesta
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accurate and precise
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neither precise nor accurate
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precise but not accurate
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accurate but not precise
Pregunta 13
Pregunta
What is the measurement 111.009 mm rounded off to four significant digits?
Respuesta
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110 mm
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111.0 mm
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111.01 mm
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111 mm
Pregunta 14
Pregunta
What is the volume of 45.6 g of silver if the density of silver is 10.5 g/mL?
Respuesta
-
479 mL
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4.34 mL
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0.23 mL
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none of the above
Pregunta 15
Pregunta
What is the boiling point of water in kelvins?
Respuesta
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0 K
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373 K
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273 K
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100 K
Pregunta 16
Pregunta
When multiplying and dividing measured quantities, the number of significant figures in the result should be equal to the number of significant figures in ___.
Respuesta
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all of the measurements
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the most precise measurement
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the least and most precise measurements
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the least precise measurement
Pregunta 17
Pregunta
Which of the following units is Not an official SI unit?
Respuesta
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kilograms
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litter
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ampere
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mole
Pregunta 18
Pregunta
The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?
Respuesta
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1.54 x 10⁻¹⁰
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1.54 x 10¹⁰
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1.54 x 10¹²
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1.54 x 10⁻¹²
Pregunta 19
Pregunta
The weight of an object __.
Respuesta
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is the same as its mass
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depends on its location
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is always the same
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is not affected by gravity
Pregunta 20
Pregunta
A cubic meter is about the same as the volume occupied by a ___.
Respuesta
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a cup of milk
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washing machine
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kilogram of water
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basketball arena
Pregunta 21
Pregunta
What is the volume of a salt crystal measuring 2.44 x 10⁻² m by 1.4 x 10⁻³ m by 8.4 x 10⁻³ m?
Respuesta
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2.9 x 10⁻⁶ m³
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2.9 x 10⁻⁵ m³
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2.9 x 10⁻⁴ m³
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2.9 x 10⁻⁷ m³
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