Which statements describe the relationship between the area and the biodiversty of the ecosystem check all that apply

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

How do you convert 4 mmol of bromobenzene to ml?