Please help and show working out if u can i don’t understand. Thanks in advance

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done