Thermodynamics: 1st & 2nd law

What is the equation for the first law of thermodynamics?

• U=Q+W
• U=Q-W
• U=-Q+W
• U+Q+W=0

The first law of thermodynamics is basically the same as which law from physics 1?

• Newton's first law
• The law of conservation of energy
• The law of conservation of momentum
• Newton's second law

Tags

NGSS.HS-PS3-2

The SI unit for measuring heat is the 

• pascal
• newton
• Joule
• calorie

What is constant in an isothermal process?

• PV
• P/T
• V/T
• Heat

In an adiabatic process, what equals zero?

• Q

• W

• ΔU

• T

In which direction does heat energy always move?

• From high temperature to low temperature objects

• From low temperature to high temperature objects

• From low kinetic energy to high kinetic energy

• From objects of higher mass to objects of lower mass

Tags

NGSS.HS-PS3-4

What term refers to the total energy of the particles inside a substance?

• Internal Energy

• Heat

• Mass

• Temperature

Which of the following processes is a thermodynamic process that takes place at a constant volume so that no work is done on or by the system?

• Adiabatic

• Isobaric

• Isothermal

• Isovolumetric

Sunlight strikes an ice cube and causes it to melt. What kind of process is this?

• Adiabatic

• Isothermal

• Isovlumetric

• Isovoltaic

Tags

NGSS.HS-PS3-4

In an adiabatic process, what is held constant?

• Pressure

• Volume

• Temperature

• None of the above