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Vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the solution falls to 232 torr. What is the mole fraction of acetone in solution?
Calculate the cell potential after the reaction has operated long enough for the [Al3+] to have changed by 0.40 mol/L. (Assume T = 25°C.)
What would be an appropriate reaction mechanism for these two reactions? Including electron transfer arrows.
The reaction caused the temperature of the solution to rise from 22.06 C to 26.42 C. If the solution has the same density and specific heat as water, what is deltaH for this reaction (per mole of H2O produced)?
What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times, Calculate the pH fo a solution made by mixing 125ml of .200M HCl and 500 ml fo 0.0500M KOH
Air is a mixture of N2,O2,Ar,Co2,Ne,He,CH4,lessor amounts of the other gases and possibly substantial amount of H2O in vapor form.
Nitration of chlorobenzene (C6H5Cl) occurs- faster than nitration of benzene and gives a mixture containing mostly o-and p-chlorobenzene
Explain why platinum's potential decreased with time and explain why the steady-state value was -0.413V vs SHE.
Define nucelophilicity. Give a detailed explanation as to why hydroxide
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction is Zn2+(aq)+2e??Zn(s) For a large batch of nails
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams.
Muriatic acid is a HCl solutin available in hardware stores. A 3.00-ml sample of muriatic acid required 15.44 ml of 2.04 M NaOH for complete neutralization
What would be the volume of the balloon if it were submerged in a swimming pool to a depth where the pressure is 922.3 mmHg and the temperature is 27.35 C?
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