How do you convert 1.806 x 10^23 molecules of cl2 to moles

What is the standard unit of measure for acceleration?

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

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