A science teacher wants to demonstrate a chemical change to her students. She fills a beaker with water and boils it on a hot plate. Eventually the volume of the water in the beaker decreases to small amount.
Part A
What change(s) should the teacher make to the demonstration to correct her error?

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water