1. An experiment uses a flask (100 g), a balloon (2 g), baking soda (20 g), and vinegar (50 g). What should the mass of the whole system be AFTER the reaction?

How many moles of gas are present if p=11 atm, v=12l, t=185k?

An atomic nucleus is composed ofa)protons. b)protons and neutrons. c)protons and electrons. d)protons, neutrons, and electrons.

If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?