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Calculate the osmotic pressure in (atm) for 490mM K3PO4 at 300.7 K.

Explain the Solublity Trend of NaF, NaCl, NaBr, NaI in water?

A chemistry student is given 250. mL of a clear aqueous solution at 44.° C. He is told an unknown amount of a certain compound X is dissolved in the solution. The student allows the solution to cool to 28.° C. At that point, the student sees that a precipitate has formed. He transfers the liquid to a clean new beaker and throws away the precipitate. The student then evaporates the water from the liquid in the new beaker under vacuum. It weighs 2.0 g. Using only the information above, can you calculate the solubility of Xin water at 28.° C ? If you said yes, calculate it. Be sure your answer has a unit symbol and the right number of significant digits. I Don't Know T Submit 8.0 888 O yes O no 0 0.0 X H 010 « 7² 4 S © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy DII ? A olo Ar Privacy Center | Accessibility Center

From your data in Part 1 of the experiment, you calculate the natural log of the partial pressure of water and 1/T value in K for 5 points between 50°C and 80°C. You make a graph of In(P) vs. 1/T and determine that the slope of the linear line is -4800 K. Use this information to calculate AHvap of water. Make sure to use R = 8.314 J mol-1-K-1. Oa. 46.6 kJ/mol Ob. 0.578 kJ/mol Oc. 31.5 kJ/mol O d. 39.9 kJ/mol

The normal boiling point of benzene is 80.10 °C. At 25.00 °C, the vapour pressure of benzene is 0.1253 atm. What is the vapour pressure of benzene when the temperature is 49.00 °C?

Calculate the change in the chemical potential of liquid water and water vapor when the pressure is increased from 1.0 atm to 10 atm at 100°C. Discuss the effect of the pressure increase on the equilibrium between the liquid water and the water vapor. Assume that water vapor behaves perfectly and the density of water is 1 g/cm3.

The normal boiling point of cyclohexane is 80.74 °C.At 20.00 °C, the vapour pressure of cyclohexane is 0.1026 atm.What is the vapour pressure of cyclohexane when the temperature is 33.00 °C?

When 80 mg of an unknown white powder found at a crime scene is dissolved in 1.42 mL of ethand density = 0.789g/mL, normal freezing point -114.6 °C, Kf = 1.99 °C/m), the freezing point is lowere -115.6 °C. Which of the following substances could be responsible for this freezing-point depressio (assume the powder is a nonelectrolyte) Show all the work you used to determine the answer. a) meta-tyramine (C8H₁₁NO: MM = 137.182 g/mol) b) sucrose (C12H22O11: MM = 342.2965 g/mol) c) cocaine (C17H21NO4: MM = 303.353 g/mol) d) fructose (C6H12O6: MM = 180.16 g/mol) e) codeine (C18H21 NO3: MM = 299.364 g/mol) of been uov bluow 10cl doum woh (3