Thermodynamics Physics

The first law of thermodynamics states that the change in the internal energy of a system is equal to the difference in energy transferred to or from the system as heat and

• mass
• work done
• force
• pressure

The first law of thermodynamics is a restatement of the

• Zeroth law of thermodynamics
• law of heat addition
• principle of entropy
• conservation of energy

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

Process B on the PV diagram is an ______________ process.

• adiabatic

• isobaric

• isochoric

• isothermal

Tags

NGSS.HS-PS3-2

which of the following laws is applicable for the behaviour of perfect gas...

• Boyle's law

• Charle's Law

• Gas Lussac law

• All of the above

A thermodynamic system where no exchange of heat takes place between system and surrounding is...

• Isothermal process

• Adiabatic process

• Isobaric process

• Isochoric process

Tags

NGSS.HS-PS3-4

dQ=dU+dW refers to which law of Thermodynamic?

Tags

NGSS.HS-PS3-2

What does the "U" stand for the formula ∆U = Q + W

• Heat
• Temperature
• Work
• Internal energy

When applying the first law of thermodynamics to a system, when is heat a positive quantity?

• when the system does work
• when the system has work done on it
• when the system absorbs heat
• when the system loses heat
• when no work is done either on the system or by the system

A thermodynamic system where no exchange of heat takes place between system and surrounding is...

• Isothermal process

• Adiabatic process

• Isobaric process

• Isochoric process

Tags

NGSS.HS-PS3-4

Heating a closed, steel container is an example of an

• Adiabatic process

• Isovolumetric process

• Isothermal process

• Isobaric process