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Calculate the vapour pressure of a 5% by mass benzoic acid [C7H6O2(aq)] in ethanol solution at 35oC. The vapour pressure of pure ethanol at this temperature is 13.40 kPa. Present your answer in kPa
an old synthetic procedure starts by calling for fifteen kilo grams of sulfuric acid. if your largest reaction vessel
Predict the products of each of these reactions and write balanced molecular equations for each. If no reaction occurs
Assume that you have an aqueous solution of an unknown salt. Treatment of the solution with dilute BaCl2, AgNO3, and Cu(NO3)2 produces no precipitate. Which of the following anions might the solution contain
a 265- flask contains pure helium at a pressure of 757 . a second flask with a volume of 485 contains pure argon at a
how many milliliters of 5M MgCl2 must be added to 25ml of 0.5M MgCl2 to produce 1500mL with a final MgCl2 concentration of 1.75M?
2000°C the equilibrium constant for the reaction is Kc = 2.4 103. 2 NO(g) N2(g) + O2(g) If the initial concentration of NO is 0.150 M, what are the equilibrium concentrations of NO, N2, and O2.
If the most common monosaccharides have the formula C6H12O6, why do the resulting disaccharides have the formula C12H22O11, rather than C12H24O12
Calculate the maximum yield of benzocaine, in grams, that you could obtain in this experiment based on the amount of p-toluidine used in step 1.
the freezing point (5.5 C) and boiling point (80.1 C) of benzene and the temperature difference between these points was divided into 50 units (called X), what would be the freezing and boiling points of water in X
Question- You and your friends are camping out under the stars on a nice grassy meadow. Over the radio, you note the weather info given. At sunset the temp is 30 degrees C. And the RH is 50%. The forecast calls for very stagnant air. Assume the Ph..
What is the morality of an unknown sulfuric acid solution if it takes 23.35 mL of a 0.3335 M lithium hydroxide solution to neutralize it?
Problem- Barium and lead both produce a yellow precipitate with the chormate ion as part of their confirmation tests. If you had a sample that possibly contained lead, barium, or both ions, outline a procedure for correctly outlining the cations p..
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