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At 80 deg C the vapor pressures of pure liquids X, Y, Z are 385, 190, 66 mm Hg, respectively. What pressure must be exerted on the surface of a solution containing one mole of X, three moles of Y, and two moles of Z for boiling to begin at 80 deg C?
a coal-burning power plant generates electrical power at a rate of 500 megawatts that is 500 x 10 to the 6th power pr
Consider the electronic transition from n = 2 to n = 4 in a hydrogen atom and select the correct statement below.
375.00 mL of a 0.010 M solution of NaCl are condensed down to 167.00 mL. Assuming the solution does not become saturated during this process, what is the final concentration of NaCl
the molar heat capacities of iron and gold are 25.19J/(mol*degrees celsius) and 25.41 J/(mol*degrees celsius), respectively. what is the final temperature of the water and pieces of metal?
80.0 grams of diiodine pentoxide reacts with 28.0 grams of carbon monoxide. How many grams of I2 could be produced?
The pressure is changed to 8.75 atm and the gas is cooled to 15 C. Calculate the new volume of the gas using the ideal gas equation.
Converting Voltages, Convert the following voltages. Assume the silver-silver chloride and calomel reference electrodes are saturated with KCl, giving cell potentials of +0.197 V and +0.241, respectively.
If more than one alkene is possible, predict which one will be formed in the largest amount: a. 2-methyl-2-butanol b. 1-methylcyclohexanol
Gallium arsenide is a polymeric material, but its mass spectrum shows fragments with formulas GaAs and Ga2As2. What would the distribution of peaks look like for these two fragments?
A student measures 0.2452 g of a monoprotic solid acid, and dissolves the solid in water to make 100.0 mL of solution. The entire solution is titrated to a phenolphthalein endpoint with 45.09 mL of 0.1752 M KOH.
When 15.0 L of water is added to 1.5 liter of a 2.0 M solution of potassium phosphate (aq), what is the final concentration
the specific heat of ethylene glycol is 2.42 J/g-K. How many J of heat are needed to raise the temperature of 62.0 g of ethylene glycol from 13.1 C to 40.5 C ?
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