Describe what happens to the shape and volume of a solid, a liquid, and a gas when you place each into seperate, closed containers

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8