Suppose you are pouring a liquid into a beaker using a burette to cause a chemical reaction that will result in a color change. The initial reading of the liquid in the
burette was 15.2 mL and the final reading was 62.6 mL. What volume of liquid in the
burette was added to the beaker?

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Building glycogen from glucose molecules is an example of

Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic