One (1) mole of ethanol (C6H60) can provide 327 kcal of energy when burned and one (1) mole of hydrogen (H2) provides 68.4 kcal of energy. Based on mass in grams, which chemical is a better source of energy? Show Calculations

Newtons second law deals most cosely with

Non renewable resources like petroleum eventually

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j