$$T(\text{K}) = T(\text{C}) + 273.15$$

Question 1

Which of the following is a QUANTITATIVE measurement?

Accepted Answer

The mass of the sample is 5.01 kg.

Question 2

Which SI base unit is used to measure the amount of substance?

Accepted Answer

Mole (mol)

Question 3

A scientist records the temperature of boiling water as 100 °C. What is this temperature in Kelvin?

Accepted Answer

$$373.15 	ext{ K}$$

Question 4

Which of the following statements about the SI system is TRUE?

Accepted Answer

The SI system is legally used in every country in the world, with few exceptions.

Question 5

If a yard is 36 inches and a meter is 39.37 inches, which is longer?

Accepted Answer

A meter

Question 6

Which of the following is an example of an INTENSIVE property?

Accepted Answer

Density

Question 7

A student measures the mass of a coin as 5.01 g. How many significant figures are in this measurement?

Accepted Answer

3

Question 8

Which of the following is the correct formula to convert Celsius to Kelvin?

Accepted Answer

$$T(	ext{K}) = T(	ext{C}) + 273.15$$

Question 9

Which of the following is NOT a base unit in the SI system?

Accepted Answer

Liter (L)

Question 10

A scientist in the United States is measuring the mass of a sample for a medical study. Which unit is most appropriate to use?

Accepted Answer

Kilogram (kg)

Question 11

Which of the following is a qualitative observation?

Accepted Answer

The solution is colorless.

Question 12

If the boiling point of water is 212 °F, what is its boiling point in Celsius?

Accepted Answer

$$100 	ext{ ^\circ C}$$

Question 13

Which property depends on the quantity of matter present?

Accepted Answer

Mass

Question 14

Which of the following is the correct SI base unit for measuring time?

Accepted Answer

Second (s)

Question 15

A student records the mass of a sample as 0.03450 g. How many significant figures does this measurement have?

Accepted Answer

5

Question 16

Which of the following is an example of a derived SI unit?

Accepted Answer

Joule (J)

Question 17

Which of the following is an exact number?

Accepted Answer

The number of eggs in a dozen

Question 18

Which of the following is the correct SI base unit for temperature?

Accepted Answer

Kelvin (K)

Question 19

Which of the following is a correct statement about significant figures?

Accepted Answer

Placeholder zeroes are not significant.

Question 20

Which SI base unit would be used to measure the intensity of light?

Accepted Answer

Candela (cd)

Measurement and Description of Matter in General Chemistry

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