a) After partitioning 185 mg of 9-Fluorenone between 2.5 mL each of methylene chloride and water the two phases were separated. From the dried organic phase 156 mg of 9-Fluorenone was recovered. Calculate the partition coefficient of 9-Fluorenone in methylene chloride/water, KpCH2Cl2/H2O. Fill in the blanks. Fill the mass do not include the units. Be careful with significant figures.

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o

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 !