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A pressure vessel contains CO2 (PCO2 = 3.78 atm) and O2 (PO2 = 6 atm) gases at a total pressure of 9.78 atm. What is the mole-fraction of CO2 and O2 gases, respectively?
Based on the procedure that you used in this experiment, and the same molar quantities of reactants, develops a procedure that would be suitable for the preparation of isobutyl propionate. Specify amounts of all materials required and a distillati..
If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride, what is the theoretical yield of acetaminophen in moles. In grams
A buffer that is 0.210 M in acid, HA, and 0.172 M in the potassium salt of its conjugate base, KA, has a pH of 4.66. What is the pH of the buffer after 150. mL of 0.359 M LiOH is added to 0.950 L of this buffer? Assume that the volumes are additiv..
What assumption did you make about the reaction of KMno4 solution and H2C2O4 solution in those determination that allowed you to consider k to be a constant
an aqueous solution of glycerol c3h8o3 is 48 glycerol by mass. calculate the molality of the glycerol solution. please
What is the total pressure, in mmHg, of a gas mixture containing argon gas at 0.25 atm, helium gas at 350 mmHg, and nitrogen gas at 360 torr
Find the equilibrium partial vapor pressures at 20°C solution of 100 g of benzene plus 100 g of toluene. Find the mole fractions in the vapor phase that is in equalibrium with the above solution.
A gaseous fuel mixture stored at 745mmHg and 298 K contains only methane CH4 and propane C3H8. When 11.5L of this fuel mixture is burned, it produces 774kJ of heat. What is the mole fraction of methane in the mixture
Does the effective buffer range of a buffer solution depend on the concentrations of the conjugate acid and base pairs in the buffer solution
a sample of nitrogren gas is collected in a 100 ml container at a pressure of 688 mm hg and a temperature of 565
Calculate the pH at the equivalence point in titrating 0.120 M solutions of each of the following with 8.0* 10^-2 M NaOH
Question in cosmetic chemistry. If a person could precisely place hair dye on the hair shaft, how much less, if any % of product would they use to be effective for the normal dyeing of a head of hair
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