Substitute the radius into the formula A=xr2 to find the area of the top of the syringe . Maintain significant figures __cm2

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?

How do you convert 4 mmol of bromobenzene to ml?

How many grams are in 68.2 molecules of br2?