Ch. 3 (Part 1)

Beschreibung

10th grade Chemistry Quiz am Ch. 3 (Part 1), erstellt von Cecilia Bui am 09/01/2017.
Cecilia Bui
Quiz von Cecilia Bui, aktualisiert more than 1 year ago
Cecilia Bui
Erstellt von Cecilia Bui vor fast 8 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
[blank_start]absolute zero[blank_end] - the lowest point on the Kelvin scale
Antworten
  • absolute zero
  • mass
  • Kelvin temperature scale
  • Celsius temperature scale
  • weight

Frage 2

Frage
[blank_start]Kelvin temperature scale[blank_end] - the SI scale for temperature
Antworten
  • Kelvin temperature scale
  • Celsius temperature scale
  • weight
  • mass
  • precision

Frage 3

Frage
[blank_start]mass[blank_end] - kilogram is the SI unit for this quantity
Antworten
  • mass
  • weight
  • precision
  • Kelvin temperature scale

Frage 4

Frage
[blank_start]accuracy[blank_end] - closeness to true value
Antworten
  • accuracy
  • precision
  • absolute zero
  • Kelvin temperature scale
  • mass
  • significant figure

Frage 5

Frage
[blank_start]Celsius temperature scale[blank_end] - the non-SI scale for temperature
Antworten
  • Celsius temperature scale
  • Kelvin temperature scale
  • absolute zero
  • weight
  • mass
  • accuracy

Frage 6

Frage
[blank_start]significant figure[blank_end] - known or estimated in a measurement
Antworten
  • significant figure
  • mass
  • weight
  • precision
  • accuracy

Frage 7

Frage
[blank_start]precision[blank_end] - narrowness of range of measurements
Antworten
  • precision
  • accuracy
  • significant figure
  • mass
  • weight
  • absolute zero

Frage 8

Frage
[blank_start]weight[blank_end] - the force of gravity on an object
Antworten
  • weight
  • mass
  • precision
  • absolute zero

Frage 9

Frage
What quantity is represented by the metric system prefix deci-?
Antworten
  • 100
  • 0.01
  • 0.1
  • 1000

Frage 10

Frage
Express the sum of 7.68 m and 5.0 m using the correct number of significant digits.
Antworten
  • 10 m
  • 13 m
  • 12.7 m
  • 12.68 m

Frage 11

Frage
In measurement 0.503 L, which digit is the estimated digit?
Antworten
  • 3
  • the 0 to the left of the decimal point
  • 5
  • the 0 immediately to the left of the 3

Frage 12

Frage
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 ___.
Antworten
  • accurate and precise
  • neither precise nor accurate
  • precise but not accurate
  • accurate but not precise

Frage 13

Frage
What is the measurement 111.009 mm rounded off to four significant digits?
Antworten
  • 110 mm
  • 111.0 mm
  • 111.01 mm
  • 111 mm

Frage 14

Frage
What is the volume of 45.6 g of silver if the density of silver is 10.5 g/mL?
Antworten
  • 479 mL
  • 4.34 mL
  • 0.23 mL
  • none of the above

Frage 15

Frage
What is the boiling point of water in kelvins?
Antworten
  • 0 K
  • 373 K
  • 273 K
  • 100 K

Frage 16

Frage
When multiplying and dividing measured quantities, the number of significant figures in the result should be equal to the number of significant figures in ___.
Antworten
  • all of the measurements
  • the most precise measurement
  • the least and most precise measurements
  • the least precise measurement

Frage 17

Frage
Which of the following units is Not an official SI unit?
Antworten
  • kilograms
  • litter
  • ampere
  • mole

Frage 18

Frage
The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?
Antworten
  • 1.54 x 10⁻¹⁰
  • 1.54 x 10¹⁰
  • 1.54 x 10¹²
  • 1.54 x 10⁻¹²

Frage 19

Frage
The weight of an object __.
Antworten
  • is the same as its mass
  • depends on its location
  • is always the same
  • is not affected by gravity

Frage 20

Frage
A cubic meter is about the same as the volume occupied by a ___.
Antworten
  • a cup of milk
  • washing machine
  • kilogram of water
  • basketball arena

Frage 21

Frage
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?
Antworten
  • 2.9 x 10⁻⁶ m³
  • 2.9 x 10⁻⁵ m³
  • 2.9 x 10⁻⁴ m³
  • 2.9 x 10⁻⁷ m³
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