Module 5 - 5.1.1 Temperature

Question 1

Energy flows from

Answer 1

hotter objects/environments to cooler ones

Question 2

Thermal Equilibrium (definition)

Answer 2

• two objects in contact with each other at the same temperature are said to be in thermal equilibrium
• there is no net energy flow between the objects

Question 3

Law of Thermal Equilibrium

Answer 3

If body A and body B are in equilibrium and body A and body C are in equilibrium then body B and body C must be in equilibrium

Question 4

An absolute scale of temperature is

Answer 4

independent of the properties of any specific substance

Question 5

Kelvin is

Answer 5

an absolute scale

Question 6

Absolute Zero (definition)

Answer 6

• the temperature at which a substance has minimum internal energy
• 0K

Question 7

At absolute zero, the system has (2)

Answer 7

• no kinetic energy
• some potential energy

Question 8

T(K) =

Answer 8

T(C) + 273

Question 9

Change in temperature in Celsius =

Answer 9

Change in temperature in Kelvin