Help chemistry work grade 12 COLLEGE course give answers and show work . only for the people you are good in chemistry

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

What type of energy conversion occurs when you place your feet near the fire place and they become warm