Vanillin is the compound containing carbon, hydrogen, and oxygen that gives vanilla beans their distinctive flavor. the combustion of 30.4 mg of vanillin produces 70.4 mg of co2 and 14.4 mg of h2o. the mass spectrum of vanillin shows a molecular-ion peak at 152 amu. use this information to determine the molecular formula of vanillin.

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

What is true for a substance that releases energy

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block