L53 | Absolute Zero

Who first proposed the existence of absolute zero in 1702?

• Isaac Newton

• Albert Einstein

• Guillaume Amontons

• Marie Curie

What is the coldest temperature recorded on Earth?

• 0 °C

• -89 °C

• -273 °C

• -235 °C

What hypothetical temperature corresponds to a volume of zero for a substance?

• 0 °C

• -89 °C

• -273 °C

• -235 °C

According to the graph, what happens to the volume of a gas as the temperature decreases?

• The volume increases.

• The volume remains constant.

• The volume decreases.

• The volume fluctuates unpredictably.

What can you determine by extending the line on the graph to the x-axis?

What is the value of absolute zero on the Kelvin scale?

• 0 K

• 273 K

• -273.15 K

• 273.15 K

How do you convert Celsius to Kelvin?

• K = C + 273

• K = C - 273

• K = C + 273.15

• K = C - 273.15

What is the temperature equivalent to 20°C on the Kelvin scale?

• 293 K

• 253 K

• 20 K

• 273 K

Which of the following statements is true about the Kelvin scale?

• It uses the symbol for degree, °.

• It is named after Lord Kelvin.

• It was proposed in 1748.

• One Kelvin is smaller than one Celsius degree.

According to the graph, what is the volume of gas at 0°C?

• 0 mL

• 100 mL

• 273 mL

• It cannot be determined from the graph.