The ΔH° for the decomposition of Cl2 into Cl atoms is 121.7 kJ/mol. Cl2 → 2Cl

What is the longest wavelength of light that could dissociate chlorine in this manner? If you like, you can use h = 6.626 × 10-34 and c = 3 × 108. Report your answer in nm to 3 significant figures. If you want to use scientific notation, use the format of 6.022E23 for 6.022 x 1023.

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 !