In the real gas equation (P + a/V2 )(V - b) = RT What is the dimension of the constant a?
ML5 T⁻².
ML⁻⁵ T⁻².
ML⁻¹ T⁻².
ML⁻² T⁻².
The equation relating the pressure and volume of a gas with its thermodynamic temperature T is given by pV = KT, where k is a constant. What are the base units of K?
kg m s⁻² K⁻¹.
kg m² s⁻² K⁻¹.
kg m⁻² s⁻² K⁻¹.
No units, because k is a constant.
The force F between two charges Q1 and Q2 in free space is given by the formula below, where r is the distance between the charges. The units of E0 are
m³ s² A² kg⁻¹.
s⁴ A² kg⁻¹ m –3.
m² A² s⁻²kg⁻¹.
m³ s² kg⁻¹ C.
Select the list which contains only SI basic units.
Liter, meter, second, watt.
Joule, kelvin, kilogram, watt.
Candela, kelvin, meter, second.
Joule, newton, second, watt.
At temperatures close to 0 K, the specific heat capacity of a particular solid is given by c = b T³, where T is the thermodynamic temperature and b is a constant characteristic of the solid. What are the SI base units of b?
m²s⁻² K⁻⁴.
kg m² s⁻² K⁻³.
kg m² s⁻² K⁻⁴.
m² s⁻² K⁻³.
