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Vapor pressure of water at 25 deg C is 24 mmHG and that of pure methanol is 120 mmHG. What is the vapor pressure above the solution of methanol and water at 25 deg C? What is the mole fraction of methanol in the vapor above this solution? 32 g of methanol and 54 g of h20
Ethyl alcohol is produced by the fermentation of glucose, C6H12O6. Given that the enthalpy of formation is -277.7 kJ/mol for C2H5OH(l) and -393.5 kJ/mol for CO2(g)
what is the pressure in torrs of the volume of a sample of a gas is 7.6 liters when 0.46 moles of gas are at 54 degrees
to determine the volume of a gas using ideal gas law.what volume will 5.6 moles of sulfur hexafluoride sf6gas occupy if
Determine the percent yield for the reaction between 45.9g of NaBr and excess chlorine gas to produce 12.8g of NaCl and an unknown quantity of bromine gas.
The available starting materials are ZNCO3, HCl, Cl2, HNO3, Zn(OH)2, NaCl, ZN(NO3)2, and Zn. Write complete, balanced equations for the reactions chosen.
Calculate the mass of glucose in a 110 sample of a 1.14 M glucose solution.
Calculate E when 900.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
Rank from highest to lowest boiling point. items can be marked as equivalent. F2, NaCl, HCl, HF, Rank in Correct Order from Highest to lowest Boiling Point? Also which one is the highest boiling point
A mixture consisting of 50 grams ethanol and 50 grams water is distilled using an efficient column. How much water will remain in the distillation flask the instant all of the azeotrope has distilled?
7.04 g of CuNO3 is dissolved in water to make a 0.300 M solution. What is the volume of the solution.
magnesium hydroxide is used in several antacid formulations. when it is added to water it dissociates into magnesium
A 130 mL stock solution contains 1.5 M CuF2. When 13 mL of the stock solution is diluted to 25 mL, what will the concentration of F- ions be?
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