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A vapor composed of 0.45 mole fraction ethanol and 0.55 mole fraction acetic acid at 120.0 mmHg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid. Assume that the liquid is an ideal solution and apply Raoult's law to find the following.
1. What is the temperature of the liquid?
2. What are the mole fractions of the liquid phase? Of both Ethanol and Aceic Acid
A solution of water and a nonvolatile, nonionizing compound is placed in a tube with a semipermeable membrane on one side. the tube is placed in a beaker of pure water. What initial net effect will occur?
A gaseous mixture of O2 and N2 contains 30.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 805 mmHg ?
suppose a 500 ml solution contains 1.00 mmol of co(no3)2, 100 mmol of NH3, and 100 mmol of ethylenediamine. what is the concentration of co2+ in the solution?
statements is true concerning the applicability of the E1, E2, SN1, and SN2 mechanisms to reactions
A 4.5-g sample of LiCl at 25 degrees Celsius dissolves in 25.0 mL of water also at 25.0 degrees Celsius. The final equilibrium temperature of the resulting solution is 60.8 degrees Celsius. What is the enthalpy of , H, of LiCl expressed in kilojou..
Calculate the concentration of NO3- ion remaining in solution.
A 15.00 mL sample of unknown concentration of sulfuric acid is precititated with excess lead(II) nitrate and a precipitate of lead(II) sulfate is collected.
Which molecular species would be necessary for the formation of the product in the reaction; a primary carbocation, a tertiary carbocation, a primary carbanion, a secondary carbanion or SO4?
A 11.6-g sample of CaCl2 is dissolved in 139 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..
If solar radiation is 1200 W/m^2 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation. A green leaf has a surface area of 2.15 cm^2.
What proportion of 3-phosphoglycerate will carry 14C after five enzymatic turnovers (five equivalents of CO2 are fixed) if purified active
How many moles of each ion are in each solution? (a) 2 mol of potassium perchlorate dissolved in water K+ mol ClO4- mol (b) 255 g of magnesium acetate dissolved in water Mg2+ mol C2H3O2- mol
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