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Calculate a rough value of the concentration of OH- ion, [OH-], in the saturated solution.The approximate value of the Ksp for calcium hydroxide is 6.510?6
The osomotic pressure of this solution was 10.68 torr at 25 degrees C. What is the molecular mass of the protein?
Proceeds at a certain temperature until the partial pressures of H2O, H2, and O2 reach 0.0800 atm, 0.00500 atm, and 0.00200 atm respectively.
Calculate DE, and determine whether the process is endothermic or exothermic for the following cases: q = -142 kJ and w = -530 kJ.
The volume of a single molecule of water is 2.99 x 10^-23 mL. For a sample of gaseous water at 1.00 atm and 150° C, what fraction of the containers volume is occupied by the molecules themselves
Calculate the vapor pressure of a solution made by dissolving 109 grams of glucose
Draw the major organic product from reaction of 1-butyne with BH3 in THF, then H2O2, OH-. If no reaction occurs, writE ethane, CH3CH3.
A small bubble rises from the bottom of a lake, where the temperature and pressure are 8ºC and 6.4 atm, to the water's surface, where the temperature is 25ºC and pressure is 1.0 atm.
Calculate the equilibrium constant for the reaction - flask at a certain temperature according to the reaction
A 2.30 L sample of O2(g) was collected over a liquid at a total pressure of 785 torr and 25°C. When the O2(g) was dried (vapor of that liquid removed), the gas had a volume of 1.86 L at 25°C and 785 torr.
write the lewis symbol for hydrogen sulfide, distributing the remaining valence electrons so that the hydrogen atoms are in accordance with the duet rule and the sulfur atom is in accordance with the octet rule.
Write the equation for the formation of the precipitate in the test tube containing the saturated solution of calcium hydroxide.
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added). The Ka for HOCl is 3.0 x 10-8 M.
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