Why are some substances acidic, some basic, and some neutral?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

What is the oxidation state of each individual carbon atom in c2o42−?