A car travels 10km at highway speed (100km/h) against a frictional force of F=0.42v². If the engine is 20% efficient how much gasoline was used when Shc=34MJ/litre show your full work please

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water