If 2 molecules of one reactant combine with 5 molecules of another to produce 3 molecules of a product, then which of the following is
the correct representation of the reaction?

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

Drag each pressure unit with the corresponding number to describe standard atmospheric pressure

Amole, which is a unit in chemistry, contains 6.02 x 1023 atoms or particles. how many zeroes follow the 2 when this number is written out in standard form? a) 21 b) 23 c) 24 d) 25