A pure sample of hydrocarbon (a compound that contains only hydrogen and carbon) is found to be 74.5% carbon by mass. If the molar mass of the compound is 16.05 g/mol, find its molar mass.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.