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At 760. Torr, an unknown liquid boils at 239.8 K. At 205.0 K the equilibrium vapor pressure of the unknown liquid is 103.5 Torr. What is the molar enthalpy of vaporization for this liquid?
The feldspar sanidine KSi3AlO8 is found in quickly cooled volcanic (extrusive) rocks whereas microcline is found in slowly cooled intrusive rocks such as granites
Transesterification of a certain triglyceride produced one molecule of methyl oleate and two molecules of methyl linoleate. Draw the original triglyceride.
What's the energy difference between axial and equitorial conformation of hydroxycyclohexane. What is hydroxycyclohexane
choose a process in any one of the industry ( cement or oil crude) and explain it that involves using a reactor , talk about that reactors and its role in the manufacturing of that "said industry",
Suppose you have a sample of sodium weighing 11.62 g. How many atoms of sodium are present in the sample?
The rare earth metal terbium is produced from terbium (III) flouride and calcium metal by a single replacement reaction. Given 27.5 g of terbium (III) flouride and 6.96 g of calcium, what is the theoretical yield (in grams) of terbium
A gaseous mixture of NO2 and N2O4 is in equilibrium. If the concentration of N2)4 is 5.3 x 10^-5 M, what is the concentration of NO2? 2 NO2 (g) ==> N2O4 (g) Kc = 170
draw structures of the active sites of the deoxy and oxy form of hemerythrin showing the complete ligands attached to
The lattice energies of FeCl3, FeCl2, and Fe2O3 are (in no particular order) -2631 kJ/mol, -5339 kJ/mol, and -14,774 kJ/mol. Match the appropriate formula to each lattice energy.
a balloon is filled with 500.0 ml of helium at a temperature of 27 degrees celsius and 755 mm hg. as the balloon rises
A sample of an ideal gas at 1.00 atm and a volume of 1.38 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume.
The Kb value for Hydrazine is 1.3x10^-6. What is the pH of the solution before any HCl has been added
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