The reaction for the combustion of propane (c3h8) is given in this reaction: c3h8 + 5o2 → 3co2 + 4h2o how many moles of h2o are formed if 5 moles of propane react with oxygen gas? a. 1 b. 4 c. 5 d. 20

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