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"Air expands as it rises". If air increases to an elevation of 10,000 m over a rain forest, Explain what is the ratio of the final molar volume to the initial molar volume at sea level
Rank the following in order of decreasing number of atoms
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 17.1 g of biphenyl in 27.5 g of ben..
what is the ph of a solution prepared by dissolving 2.89 g of calcium nitrite in 0.675 l of water?1. briefly explain
What is the solubility of M(OH)2 in pure water. B. What is the solubility of M(OH)2 in a .202 M solution of M(NO3)2? Ksp=5.45E-18
The ratio of the number of atoms of the isotopes 69Ga and 71Ga in eight samples from different sources was measured in an effort to understand differences in reported values of the atomic mass of gallium
calculate the energy of a photon of blue light that has a wavelength of 432 nm.a. 8.59 10-17 tb. 4.60 10-19 tc. 8.59
the solution at 100 degrees celsius, 10g of water are added, and the solution is cooled to 0 degrees celsius- the number of grams of water required to dissolve a mixture containing 15 g KNO3 and 3.5 g CuSO4 * 5 H20, assuming that the solubility of..
calculate the volume, in liters, of each of the following solutions that provides the given amount of solute: a)5.00 mol of NaOH from a 12.0 M solution. b)15.0 g of Na2SO4 from a 4.00 M solution. c)28.0 g of NaHCO3 from a 1.50 M solution.
question the concentration of glucose in blood is approximately 90mg100 ml. what is the weightvolume percent
The balloon then rises to an altitude of 6000 ft, when the pressure is 605 torr and the temperature is 15 °C. What is the change in volume of the balloon as it ascends from sea level to 6000 ft
A student titrated 10mL aliquots of her unknown amino acid solution with standard 0.1521M NaOH and with 0.0986M HCl. Inflection points were determined in the graphs after 18.62mL of NaOH and after 3.29mL of HCl was added. What's the concentration ..
The molar heat of vaporization of ethanol is 39.9 kJ/mol and the boiling point of ethanol is 78.3°C. Calculate ?S for the vaporization of 0.50 mol ethanol.
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