Explain why HCl is a gas and HF is a liquid ?

Explain why HCl is a gas HF is a liquid?

Explain why petroleum is also called as liquid gold.

Explain why Though dimethyl ether and ethanol are isomers, still the dimethyl ether is a gas and ethanol is a liquid at room temperature?

Explain why HF is more polar than HCl .

At room temperature HCl is gas, while HF is a liquid. This is because