The elements lithium and oxygen react explosively to form lithium oxide, li2o. how many moles of lithium oxide will form if 4.37 mol of lithium tract?

4li(s) +o2(g) -> 2li2o(s)

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