Temperature and Thermal Energy

Question 1

Which of these would have the lowest kinetic energy?

Revolt · Accepted Answer

ice water

Question 2

Joshua is preparing a report to show the relationship between average kinetic energy and temperature. Is his graph accurate? Explain your answer.

Revolt · Accepted Answer

No, Joshua's graph is not accurate. The relationship between temperature and average kinetic energy is directly proportional, meaning as temperature increases, the average kinetic energy also increases. An accurate graph should show a straight diagonal line starting from the origin (0,0) if temperature is measured in Kelvin, rather than a curve or a horizontal line.

Question 3

Question 6

Revolt · Accepted Answer

80805

Question 4

At which temperature does the motion of atoms and molecules stop?

Revolt · Accepted Answer

0 K

Question 5

Which scale is being described? Water freezes at 32 . Water freezes at 0 . Water freezes at 273 .

Revolt · Accepted Answer

Selection 1: degrees Fahrenheit; Selection 2: degrees Celsius; Selection 3: kelvins

Question 6

An outside thermometer reads 57°F. What is this temperature in °C? Round your answer to the nearest whole number.

Revolt · Accepted Answer

14

Question 7

Question 10

Revolt · Accepted Answer

305.5 K

Question 8

Explain what happens to the average kinetic energy, thermal energy, and temperature of a substance when the particles in the substance slow down.

Revolt · Accepted Answer

When the particles in a substance slow down, their average kinetic energy decreases. This reduction in kinetic energy leads to a decrease in the substance's total internal energy, or thermal energy. Consequently, because temperature is a measure of the average kinetic energy of the particles, the temperature of the substance also decreases.

Temperature and Thermal Energy Answers

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