The modern-day quantum model of the atom is better than john dalton's model because it
o is easier to understand.
o is a more recent theory.
o can be represented in two dimensions.
o answers many questions about atoms.

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

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol