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Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 12.0 torr at 35*C. The vapor pressure of pure ethanol at 35*C is 1.00x10^2 torr.
How many grams of glucose are needed to prepare 400 g of 2% m/m glucose solution. 2) how many moles of cacl2 are in 250 ml of a 3 m of cacl2 solution 3) How many liters of oxygen gas form when 294 g of KClO3 completely react in the following react..
A voltaic cell is constructed with two silver-silver chloride electrodes, where the half-reaction is AgCl (s) + e-? Ag (s) + Cl- (aq) E° = +0.222 V
a sample of chlorine which has an average atomic mass of 35.86 consists of two isotopes with mass of 35 and 37. what is
Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to raise the temperature of the air in the house.
Use data in appendix C to calculate delta H, delta S, and delta G at 25 degrees C for each of the following reactions. In each case, show that delta G = delta H - T delta S.
Determine how many moles of CO 2 would have to be combined at constant temperature and volume to increase the amount of CO to 0.300 moles?
normal c7h16 is dehydrocyclicizedc7h8g 4h2gbrvbarc7h16g to hydrogen and toluene in a continuous gas-phase reaction in
a sample of 40.0 ml of .1 m acetic acid is titrated with .150 m naoh ka 1.8 x 10-5 what volume of naoh is used in the
A lactic acid/lactate ion buffer solution contains 0.44M HC3H5O3 and 0.90 M C3H5O3^-, respectively. The K a value of lactic acid is 1.4times 10^-4. Calculate the pH of this buffer.
the solubility of silver sulfate in water is 0.223 wv at 35degc. calculate the solubility product of this salt at this
What would happen if bezaldehyde react with a high (50%) concentration of sodium hydroxide in the absence of acetone via aldol condensation
The normal boiling point of ethanol is 78.4 degrees C, and at this temperature ?vapHθ = 38.7 KJ mol-1. Calculate the value to which the pressure must be reduced to boil ethanol at 25 degrees C in a vacuum distillation.
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