Explain why `NH_3` is more polar than `NF_3`

Why does a gas not posses a single specific heat? Explain why C_p' is greater than C_v ?

Explain why: LiI is more soluble than KI in ethanol .

Explain: BiCl_3 is more stable than BiCl_5

Explain why: Propan-2-ol is more basic than propan-1-ol.

Explain why NH_3 is basic while BiH_3 is only feebly basic.

Answer the following: why are PCL_5 more covalent than PCl_3 ?

Explain why Aquatic species are more comfortable in cold water rather than in warm water.

Explain why The climate of a harbour town is more temperate than that of a town in a desert at the same latitude

Explain why: Alcohols are more soluble in water compared to the ethers.

Explain why a piece of iron appears to be cooler than a piece of wood in winter.