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A nonvolatile organic compound Z was used to make up two solutions, Solution A contains 5.00 g of Z dissolved in 100 g of water, and Solution B contains 2.31 g of Z dissolved in 100 g of benzene. Solution A has a vapor pressure of 754.5 mmHg at the normal boiling point of water, and Solution B has the same vapor pressure at the normal boiling point of benzene. Calculate the molar mass of Z in solutions A and B and account for the difference.
what is the K value for compound Z in the biphasic system, 2) how much do you remove in each individual extraction
Calculate the heat of the reaction. (Use the equation Q = s . m .?T where s is the specific heat, m is the mass of solution and ?T is the change in temperature)
At a certain temperature, the solubility of potassium iodate, KIO3, is 41.1 g/L. Calculate its solubility product constant for this temperature.
What is the pH of a solution containing 0.24 moles of ammonia and 17.8g of ammonium chloride, NH4Cl. Kb for ammonia is 1.8 times 10, What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times 10
The Ka for hypochlorous acid (HClO) is 3.0 x 10?8. What is [OH?] in a 0.145 M solution of sodium hypochlorite (NaClO)
what is the equilibrium constant for this reaction of 25C? show work b.If mixture was preparedcontaining 1M glucose-6-phosphate and 1x 10^-3M glucose-1-phosphate. What wold be the thermodynamically favored direction for the reaction (why?)
An ideal-gas reaction mixture is in a constant-temperature bath. State whether each of the following will change the value of K°p (a) addition of a reactant (b) addition of an inert gas (c) change in pressure for a reaction with ?n does not equal ..
a solution was prepared by mixing 50.00 ml of 0.190 m hno3 and 124.00 ml of 0.150 m hno3. calculate the molarity of the
1.5000 g of diprotic weak acid H2A was dissolved in 100.00 mL volumetric flask. 25.00 mL aliquots of this solution was titrated with a monoprotic strong base NaH (0.0800 M). The titre volume of NaOH was 40.00 mL. Calculate the molecular weight of ..
A balloon is filled to a volume of 5.0 102 mL at a temperature of 29.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 102 K. What is the final volume of the balloon?
what volume of nitrogen is is formed at 742 torr and 28.7dgree c by reacting 2.78 cm^3 of cu is density 8.95 g/cm^3 with 246ml of nitric acid ( 1.42g/cm^3) 68 %HNo3 by mass. Cu(s) + 4HNO3(aq)-------CU(NO3)2aq + 2NO2(g) + 2H2O(l). What is volume fo..
The LiAlH4 reaction with ketones and that you must use a anhydrous aprotic solvent with it because of how violent it reacts with water and alcohols, What WOULD actually happen if it reacted with an alcohol? for instance butan-1-ol? Since this isnt..
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