AP Physics 2

Which 1 g sample will have the highest temperature after the addition of 200 J of energy?

• H₂O(l)

• H₂O(g)

• Cu

• Pb

Tags

NGSS.HS-PS3-4

A system absorbs 100 J of heat and does 200 J of work on a piston. What is the change in internal energy?

• -100 J

• -300 J

• 100 J

• 300 J

Tags

NGSS.HS-PS3-1

Which of these units is the equivalent of a Pascal?

• N*m²

• N/m²

• N+m²

• N-m²

A gas at 20Pa expands a container from 10m³ to 20m³. How much work is done by the gas?

• -400 J

• 350 J

• 600 kJ

• -200 J

Which of these variables is NOT in the formula describing the first law of thermodynamics?

• Change in Internal Energy

• Heat

• Efficiency

• Work

The sun shines down on this family as the play on the beach is which form of thermal transfer?

• conduction

• convection

• radiation

Tags

NGSS.HS-PS3-4

The Gulf Stream is a current that brings warm ocean water from the south to the north is which form of thermal transfer?

• conduction

• convection

• radiation

Tags

NGSS.HS-PS3-4

Walking on the warm sand sand with your bare feet is which form of thermal transfer?

• conduction

• convection

• radiation

Which direction will the heat flow while this ice cap melts?

• there is no heat transfer
• from the icecap to the water
• from the water to the icecap

Tags

NGSS.HS-ESS2-4

NGSS.HS-PS3-4

Entropy increases from solid, liquid, to gas. Why?

• Molecular disorder increases

• Molecular randomness decreases

• Molecules are more energetic

• Molecules are more reactive

Tags

NGSS.HS-PS3-2