Scientific Measurement

Use the diagram to determine the volume represented in the 100 mL graduated cylinder.

• 63.50 ml

• 63 ml

• 63.5 ml

• 60 ml

Which Kelvin Temperature is equal to 200. °C?

• -73 K

• 200. K

• 73 K

• 473 K

Tags

NGSS.MS-PS1-4

The mass of a solid is 3.60 grams and its volume is 1.8 cubic centimeters. What is the density of the solid, expressed to the correct number of significant figures?

• 2 g/cm3

• 0.5 g/cm3

• 2.0 g/cm3

• 0.50 g/cm3

To write 0.0000054 in scientific notation, you should move the decimal

• 7 places to the right

• 7 places to the left

• 6 places to the right

• 6 places to the left

Identify the smallest value

• 2.3 x 10⁷

• 2.3 x 10⁵

• 2.3 x 10⁻¹

• 2.3 x 10⁻⁷

How many milliliters is equivalent to 20 cubic centimeters of a substance?

• 2 mL

• 20 mL

• 200 mL

• 2000 mL

The boiling point of potassium is 760 °C. What is the boiling point of potassium in Kelvin?

• 1033 K

• 487 K

• 760 K

• 0 K

Iron has a density of 0.00787 kg/cm³. What is the density of iron in grams per cubic centimeters? (hint: per means in 1)

• 787 g/cm³

• 78.7 g/cm³

• 7.87 g/cm³

• 0.787 g/cm³

The diagram below shows a portion of a buret. What is the meniscus reading in milliliters? Notice that the numbers start at the top...

• 16.00

• 16.40

• 17.00

• 17.60

The diagram below represents a portion of a thermometer that is measuring the temperature of a solution. According to the thermometer, the temperature of a solution is

• 13.50 °C

• 16.50 °C

• 13.5 °C

• 16.5 °C