How does the charge of an ion relate to its element’s group in the periodic table

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

Which three statements represent the benefits of performing experiments using computer simulations?

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !