50 POINTSSS 3Mg (MnO4)2 + 1Hg3 (AsO4)2 → Mg3 (AsO4)2 + 3Hg (MnO4)2 Using the balanced equation:
Solve for the mass of Mg (MnO4)2 needed to react with
4.93 moles of Hg3 (AsO4)2

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

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