Which groups on the periodic table want to lose electrons? (group numbers)

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

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions

Idont understand it 1.what is the boiling point of a solution of 675 grams of ethylene glycol (c2h6o2) in 2.50 liters of water?