Round 1

What is the temperature at which both Celsius and Fahrenheit scales show the same reading?

Clue:

°F=(°C∗9/5)+32

°C=(°F−32)∗5/9

• -40°F

• 0°C

• 100°F

• 100°C

Which law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted from one form to another?

• First Law

• Second Law

• Zeroth Law

• Third Law

Which term refers to the measure of disorder or randomness in a thermodynamic system?

• Internal Energy

• Enthalpy

• Entropy

• Specific Heat

In a closed system, if no heat is exchanged with the surroundings, and no work is done on or by the system, what is the change in internal energy?

• Increases

• Decreases

• Remains constant

• Cannot be determined

When an ideal gas expands without the exchange of heat, what happens to its temperature?

• Increases

• Decreases

• Remains constant

• Doubles

What is the SI unit of pressure?

• Joule

• Pascal

• Newton

• Watt

Which law of thermodynamics states that heat flows from an object with a higher temperature to an object with a lower temperature until they reach thermal equilibrium?

• Zeroth Law

• First Law

• Second Law

• Third Law

Which process involves the conversion of a substance from a solid to a liquid state by absorbing heat?

• Evaporation

• Condensation

• Melting

• Sublimation

Which state of matter has a definite shape and volume?

• Solid

• Liquid

• Gas

• Plasma

According to the ideal gas law, PV = nRT, what does "n" represent?

• Pressure

• Volume

• Number of moles

• Temperature