When a drawing made with a black marker gets wet, the marker bleeds and more separates into several colors. what method of separation does this describe?
1.evaporation
2.distillation
3.filtration
4.chromatography

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