Based on the scientists results which of the following is true? hurry pleaseee

Modern weaponry has increased the number of deaths in wars and violent conflicts.

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

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1