24. The half-life of iodine-131 is 8.1 days. How long will three-fourths of a sample of iodine-131 take to decay?

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

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 !