5) How many grams of C6H6 are present in 12.70 moles of C6H6?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which element would mostly likely have an electron affinity measuring closest to zero

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