The specific heat of liquid ethanol, C2H5OH(l) is 2.46j/g degree celsius and the heat of vaporization is 39.3 kj/mol the boiling point of ethanol is 78.3 c what amount of etnthalpy is required to heat 50 g of liquid ethanol form 23 c to ethanol vapor a 78.3 c?

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.