7Please help is due in 30 mins, will rate, Thank you!
7Please help is due in 30 mins, will rate, Thank you! Calculate AH° (in kJ) for...
8Please help is due in 30 mins, will rate, Thank you! Calculate AS° (in J) for the reaction 2 A + 4 B = 3 C given these Sº values (all J/mol): A = (4.0500x10^2), B = (1.25x10^2), and C = (2.5700x10^2).
Please help is due in 30 mins, will rate, Thank you! What is AG (in kJ/mol) at 298 K for a reaction that has AHrxn = -19.4200x10^1) kJ/mol and ASrxn = -(1.84x10^2) J/K mol?
9 Please help is due in 30 mins, will rate, Thank you! AGº for the reaction 2 A(g) = 3 B(g) is -25.5 kJ/mol. What is the value of AG (in kJ/mol) at 298 K when the pressure of each gas is: A = (1.17x10^-5) atm and B = (5.5100x10^0) atm.
Please help is due in 30 mins, will rate, Thank you! At what temperature (in K) will a reaction be at equilibrium if AHsys = -(4.67x10^2) kJ/mol and ASsys = -(3.7900x10^2) J/K mol?
10. Please help is due in 30 mins, will rate, Thank you! A reaction has AG° = (1.88x10^1) kJ/mol. What is the value of the equilibrium constant, K, at 298 K for this reaction?
Please help is due in 30 mins, will rate, Thank you! A phase change has ASsys = -17.250x10^1) J/K mol and AHsys = -(3.55x10^1) kJ/mol. At what temperature (in K) will this phase change be at equilibrium?
Please help is due in 30 mins, will rate, thank you! If AS univ = -(6.61x10^0) J/mol K and ASsys = -(2.980x10^1) J/mol K, what is the value of ASsurr in J/mol K?
4. Please help is due in 30 mins, will rate, Thank you! An aqueous solution has a mass percent of solute of (2.630x10^1)%. The density of the solution is (1.41x10^0) g/mL and the solute has a molar mass of (1.7000x10^2) g/mol. What is the molality of solute of this solution?
3. Please help is due in 30 mins, will rate, Thank you! An aqueous solution has a molality of (2.610x10^-1) m. The density of the solution is (1.4100x10^0) g/mL and the solute has a molar mass of (1.68x10^2) g/mol. What is the mole fraction of solute of this solution?
10. Please help is due in 30 mins, will rate, Thank you! How many grams of Mg(NO3)2 (MM = 148.33 g/mol) would it take to lower the freezing point of (4.60x10^2) grams of water by 4.00°C? The freezing point depression constant of water is Kf = 1.86°C/m.