Question 1

A laboratory experiment requires you to heat a solution to 80°C. What is this temperature in Fahrenheit?

Accepted Answer

176°F

Question 2

A scientist records a temperature of 310 K during an experiment. What is this temperature in Celsius?

Accepted Answer

36.85°C

Question 3

Which of the following statements 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 4

A patient’s body temperature is measured at 102°F. What is this temperature in Celsius?

Accepted Answer

38.9°C

Question 5

If a chemical reaction must be performed at 350 K, what is the equivalent temperature in Fahrenheit?

Accepted Answer

170.6°F

Question 6

Which of the following conversions is correct for a temperature of 0°C?

Accepted Answer

32°F and 273.15 K

Question 7

A researcher needs to cool a sample to -40°F. What is this temperature in Celsius?

Accepted Answer

-40°C

Question 8

During a historical cold snap, the temperature in a city dropped to -20°C. What is this temperature in Kelvin?

Accepted Answer

253.15 K

Question 9

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

Accepted Answer

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

Question 10

A chemical process is optimal at 68°F. What is this temperature in Kelvin?

Accepted Answer

293.15 K

Question 11

A student claims that 100°C is equal to 100 K. Which of the following best evaluates this claim?

Accepted Answer

The claim is incorrect; 100°C equals 373.15 K.

Question 12

If a scientist records a temperature of 212°F, what is the equivalent temperature in Kelvin?

Accepted Answer

373.15 K

Question 13

A chemical stored at 25°C is accidentally exposed to a freezer at -10°F. What is the temperature difference in Kelvin between the two environments?

Accepted Answer

Question 14

Which of the following is a correct step in converting 50°F to Kelvin?

Accepted Answer

First, convert 50°F to Celsius, then add 273.15.

Question 15

A reaction is performed at 77°F. What is the temperature in Celsius?

Accepted Answer

25°C

Question 16

Which of the following real-world scenarios best illustrates the importance of converting between temperature scales in chemistry?

Accepted Answer

A pharmaceutical company must ensure a vaccine is stored at -20°C, but the storage facility uses Fahrenheit.

Question 17

If the boiling point of water is 100°C, what is it in Fahrenheit and Kelvin?

Accepted Answer

212°F and 373.15 K

Question 18

A scientist needs to report a temperature of 0 K in Celsius and Fahrenheit. What are the correct values?

Accepted Answer

-273.15°C and -459.67°F

Question 19

Which of the following is NOT a correct conversion formula between temperature scales?

Accepted Answer

T_°C = (T_°F + 32) × 5/9

Question 20

A chemical is stable only between 273 K and 313 K. What is this temperature range in Celsius?

Accepted Answer

0°C to 39.85°C

Mathematical Relationships Between Temperature Scales

Study Guide - Practice Questions