Calculate the mass in grams of 2.25 x 1024 molecules of propylamine. The chemical formula for propylamine is CH, N.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.