Answer to Question #103348 in General Chemistry for Beverlie

Question

5. A solution is made by dissolving 2.50  102 g of essentially nonvolatile ethylene glycol (C2H6O2) in 5.00  102 g of water. What is the resulting freezing point of the solution? (Kf  1.86C/m)
6. The Henry’s law constant for oxygen dissolving in blood is 3.74  102 mol/L  atm at body temperature, 37C. The air pressure for a scuba diver is 2.0 atm. The mole fraction of oxygen in air is 0.209. Express your answer in molarity and mg/L.
7. Determine S for the reaction  given the following information.
Substance S (J/mol  K)
Fe2O3(s) 87.4
Fe(s) 27.3
O2(g) 205.0

Answer 1

Dear Beverlie, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order