Which column in your data table is the same for all pieces of chalk? You know that chalk is a substance, so if this column is the same for all pieces of chalk, do you think this is a property? Explain your ideas.

What is the formula for the molecular compound nitrogen monoxide

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?

Is powdered sports drink ionic or covalent ? 10pts !