Question 1

A laboratory experiment requires you to heat a solution to 80.0 °C. What is this temperature in Kelvin?

Accepted Answer

353.15 K

Question 2

A weather report in the United States states that the temperature is 68 °F. What is the equivalent temperature in Celsius?

Accepted Answer

20 °C

Question 3

Which of the following statements about the Kelvin and Celsius scales is correct?

Accepted Answer

A change of 1 degree on the Kelvin scale is equal to a change of 1 degree on the Celsius scale.

Question 4

A scientist records a temperature of 310.15 K in an experiment. What is this temperature in degrees Celsius?

Accepted Answer

37.0 °C

Question 5

A chemical reaction is known to occur only above 50 °F. What is the minimum temperature in Kelvin at which this reaction can occur?

Accepted Answer

283.15 K

Question 6

Which of the following best explains why the Kelvin scale is preferred in scientific research over Celsius or Fahrenheit?

Accepted Answer

The Kelvin scale starts at absolute zero, allowing for direct proportionality in thermodynamic calculations.

Question 7

A sample is cooled from 25 °C to -40 °F. What is the temperature change in Kelvin?

Accepted Answer

63.15 K

Question 8

If the boiling point of water is 212 °F, what is this temperature in Kelvin?

Accepted Answer

373.15 K

Question 9

A researcher in Europe measures a temperature of -20 °C. What is this temperature in Fahrenheit?

Accepted Answer

-4 °F

Question 10

Which of the following is a correct statement about absolute zero?

Accepted Answer

Absolute zero is 0 K, which is equivalent to -273.15 °C.

Question 11

A medical freezer is set to -80 °C. What is this temperature in Fahrenheit?

Accepted Answer

-112 °F

Question 12

A student records a temperature of 77 °F in the laboratory. What is the temperature in Kelvin?

Accepted Answer

298.15 K

Question 13

Which of the following conversions is NOT correct?

Accepted Answer

212 °F = 100 K

Question 14

A scientist needs to report a temperature change of 50 °C. What is the equivalent change in Fahrenheit degrees?

Accepted Answer

90 °F

Question 15

Which temperature scale is primarily used in the United States for weather and household measurements?

Accepted Answer

Fahrenheit

Question 16

A chemical process requires a minimum temperature of 350 K. What is this temperature in Celsius?

Accepted Answer

76.85 °C

Question 17

If a temperature increases from 0 °C to 100 °C, what is the corresponding increase in Kelvin?

Accepted Answer

100 K

Question 18

A sample is measured at 273.15 K. What is the temperature in Fahrenheit?

Accepted Answer

32 °F

Question 19

Which of the following best describes the relationship between Celsius and Kelvin scales?

Accepted Answer

They have the same size degree, but different zero points.

Question 20

A reaction is performed at 104 °F. What is the temperature in Celsius and Kelvin, respectively?

Accepted Answer

40 °C and 313.15 K

Mathematical Relationships Between Temperature Scales

Study Guide - Practice Questions