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Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 60.20 g of PbCl4 in 421.0 g of water at 343.0 K. The vapor pressure of pure water at 343.0 K is 233.7 torr. a) The vapor pressure above the solution is 270.5 torr. b) The vapor pressure above the solution is 202.8 torr. c) The vapor pressure above the solution is 135.2 torr. d) The vapor pressure above the solution is 293.0 torr. e) The vapor pressure above the solution is 225.4 torr.
How many liters of ethane, measured at 15.0 degrees Celsius and 719 Torr, must be burned to liberate 2.89 X 10^4 kJ of heat?
Calculate the planar densities in ions per square nanometer on the (1 1 1) and (1 1 0) planes for (a) NiO and (b) NaCl. Ionic radii are Ni2+ = 0.078 nm and O2-=0.132nm, Na+=0.098nm, and Cl-=0.181nm
What is the stoichiometric coeffiecient for oxygen gas when the following reaction is balanced using the smallest whole number coefficients? C12H26(g) + O2(g) --> CO2(g) + H2O(g)
A 49g piece of ice at 0 degrees C is added to a sample of water at 9 degrees C. All of the ice melts and the temperature of the water decreases to 0 degrees C.
Limestone (CaCO3) is decomposed by heating quicklime (CaO) and carbon dioxide. Calculate how many grams of quicklime can be produced from 9.0 kg of limestone.
Draw structural formulas for the organic product(s) formed when the following compound is heated at reflux in an excess of concentrated HI
how many grams of sulfur dioxide are produced when 45.0g of thionyl chloride reacts with excess water?
Predict the rate of change in the concentration of N2O over this time interval. In other words, what is dt [N2O]/ dt?
What is the vapor pressure of mercury at room temperature, 25 degrees celsius.
What is the pH of a 0.16M solution of a lactic acid. HC3H5O3
Clearly Label the IR Spectrum of Benzoic Acid and assign the following peaks: Broad 3300-2500cm-1 3020 cm-1 1682cm-1 2. Clearly Label the IR Spectrum of Anisaldehyde and assign
he sample required 5.5 mL of 0.0019 M NaOH to titrate the sample to neutrality. What was the pH of the gastric juice?
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