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A solution of sodium chloride in water hasa vapor pressure of 20.9 Torr at 25 degrees celsius. What is the mole fraction of NaCl in this solution?
What would the vapor pressure of this solution at 45 degrees celsius. The vapor pressure of pure water is 23.8 at 25 degrees celsius and 71.9 torr at 45 degrees celsius.
5x10^3 moles of an ideal gas are held in a container of volume 0.0124 dm^3 and surrounded by a thermostat at 298K. The gas is allowed to double in volume against a constant external pressure of 1.0 atm
A room contains 12,000 ft.³ of air at 75°F and 29.7 inches Hg Absolute. The air has a dew point of 60°F. How many pounds of water vapor are in the air
The specific heat of water increases at a constant rate. The specific heats of NaOH, HCl, and the product of the reaction are the same as that of water.
What is the percent-yield of H2 In the reaction below when an equimolar mixture of CH4 and CO2 with an initial total pressure of 20.0 atm reaches equilibrium at 1200. K, at which Kp = 3.548 x 106
The atoms in the periodic table span 7 shells. Order them from lowest to highest energy. Why do they have this order
The electrons in the neutral carbon atom are redistributed so that there are three lone electrons in the three 2p orbitals and one lone electron in the 2s orbital.
Allyl sulfide, C6H10S, is a compound that has the odor of garlic. How many sulfur atoms are in 23.2 g of C6H10S?
which two metals are plated, and what is the total potential? c) If 3.00 g of metal is plated in the voltaic cell, how much metal is plated in the electrolytic cell?
Given that the initial concentration of hypochlorite (ClO-) was 7.5x 10-4M, and the concentration at 200 seconds was determined to be 2.8 x 10-4M.
consider a certain type of nucleus that has a rate constant of 2.62 10-2 min-1. calculate the time required for the
Complete combustion of 4.80 g of a hydrocarbon produced 14.7 g of CO2 and 7.02 g of H2O. What is the empirical formula for the hydrocarbon?
Which proton(s) in 1-phenylethanol corresponds to the tall singlet at about 7.40 ppm in the 1H NMR?
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