Thermodynamics and Thermal Physics Quiz

What does the equation ΔQ = mc ΔT represent in physics?

• Energy required to change an object's mass
• Specific heat capacity calculation
• Momentum transfer in thermal systems
• Kinetic energy of molecular motion

In the equation ΔQ = mc ΔT, what does 'm' represent?

• Molecular weight
• Mass of the substance
• Momentum
• Temperature change

What is the significance of Boyle's Law in gas behavior?

• Relates pressure and volume at constant temperature
• Describes chemical reactions
• Explains electrical conductivity
• Defines molecular motion

If p₁V₁ = p₂V₂, and the initial pressure is 2 atm with a volume of 4 L, what would the new volume be if pressure changes to 4 atm?

• 1 L
• 2 L
• 8 L
• 0.5 L

What is the absolute zero point on the Kelvin temperature scale?

• 0°F
• -273°C
• 273 K
• 100°C

How do you convert Celsius to Kelvin?

• Add 273
• Subtract 273
• Multiply by 1.8
• Divide by 2

What does specific heat capacity measure?

• The weight of a substance
• Energy required to raise temperature
• Molecular density
• Thermal conductivity

In Boyle's Law, what remains constant during pressure-volume changes?

• Temperature
• Mass
• Energy
• Density

Which temperature scale starts at absolute zero?

• Fahrenheit
• Celsius
• Kelvin
• Rankine

What happens to gas volume when pressure increases at constant temperature?

• Volume increases
• Volume decreases
• Volume remains constant
• Volume becomes unpredictable