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A. Calculate the vapor pressure of water above a solution prepared by dissolving 26.9 g of glycerin (C3H8O3) in 183 g of water at 343 K. Vapor Pressure (torr) at 343 (or 70) is 233.7 torr
B. Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 13.6 torr at 35°C. The vapor pressure of pure ethanol at 35°C is 1.00 102 torr.
The atmospheric pressure 4.The volume for the vapor to occupy above the liquid 5.The temperature of the liquid
Calculate the heat required to convert 50.0 g of C2CL3F3 from a liquid at 20.00 degrees celcius to a gas at 75.00 degrees celcius.
CalcuLate the mass of Naphthalene required to react stoichiometrically with the moles of 2 brom2 methylpropane that were placed in the flask (5 mL of 2 brom2 methylpropane).
sodium bisulfite is a reducing agent. write a balanced oxidation reduction reaction equation for the reaction that occurs
Aqueous hydrobromic acid will react with solid sodium hydroxide to produce aqueous sodium bromide and liquid water . Suppose 36.4 g of hydrobromic acid is mixed with 5.9 g of sodium hydroxide.
Why do you think we need to convert the calcium carbonate to calcium chloride befoe we do our EDTA titrations? What specific condition in our titrations require this?
The boiling temperature is found to be 157 C(760 torr) as the first small amount of distillate is collected. The standard vapor pressures of n-propylcyclohexane and n-propylbenezene are known to be 769 toor and 725 torr
Oxalic acid, H2C2O4 has acid dissociation constants Ka1 = 5.9 x 102 and Ka2 = 6.4 x 105. What is the pH after 20.00 mL of 0.0500 M NaOH is added to 5.00 mL of 0.2000 M H2SO3
This compound sloly isomerizes completely to compund B, which has the same formula, Sketch the structures of A and B, and explain why B might be more stable than A
In the liver, which one of the following is part of the pathway whereby increased glucagon causes a decrease in the glycolytic pathway? activation of the fructose-2,6-bisphosphate and inhibition of phosphofructokinase-2
A 99.8mL sample of a solution that is 12.0% KI by mass(d=1.093g/mL) is added to 96.7mL of another solution that 14.0%Pb(NO3)2 by mass (d=1.134g/mL). How many grams of PbI2 should form.
A mixture of 30 mol% CO, 65 mol% H2, and 5 mol% N2 is fed to a methanol (CH3OH) synthesis reactor, where the following reaction occurs
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