Chemical thermodynamics

A system which exchanges both matter and energy is called --- system

Tags

NGSS.HS-LS2-3

Temperature is ----- property

• Intensive property

• Extensive property

Tags

NGSS.HS-PS3-4

In an isothermal process

• Delta U=0

• Q=0

• T=0

• none of these

Mathematical equation of first law of thermodynamics is

Here U means delta U

• U=q+W

• q=U+W

• W=U+q

• None of these

Enthalpy H =

• U-PV

• U+PV

• PV

• PV-U

Tags

NGSS.HS-PS3-1

Delta S >0 then reaction

• Non spontaneous

• Spontaneous

• At equilibrium

• None of these

Solve the following

• -24kJ

• 24kJ

• -25kJ

• 25kJ

Delta S >0 then reaction

• Non spontaneous

• Spontaneous

• At equilibrium

• None of these