The fact that atoms and molecules are always in motion helps scientists explain how solids turn into liquids. What is this explanation an example of? A. a hypothesis
B.
an observation
C.
a scientific law
D.
a scientific theory

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x.xx ml

Asyringe contains 56.05 ml of gas at 315.1 k. what volume will that gas occupy if the temperature is increased to 380.5 k? a) 12.41 b) 46.42 c) 67.68 d) 81.74

What is the relation between concentration of reactants and the rate of chemical reaction?