1. __NaCI + __F2=__NaF + __CI2 2. __NaBr + __H3PO4=__HBr + __Na3PO4 3. __H2 + __O2= __H2O
4. __Ca + __H2O= __Ca(OH)2 + __H2
5. __H2 + __N2= __NH3
6. __Al2O3= __Al + __O2
7. __Ca + __F2= __CaF2

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