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Cementite, Fe3C, is metastable with respect to carbon-saturated α-iron and graphite at 950 K and 1 atm pressure. Given that the molar volumes of α-Fe, graphite, and Fe3C at 950 K are, respectively, 7.32, 5.4, and 23.92 cm3/mole, calculate the pressure, at 950 K, at which Fe3C is in equilibrium with carbon- saturated α-Fe and graphite. At what temperature, at 1 atm pressure, is carbon-saturated γ-Fe and graphite in equilibrium with cementite?
The box is then heated to 500K, which causes the ammonia to partially decompose to Nitrogen and Hydrogen and results in a final pressure of 4.85*10^6 pa. Find the number of moles and partial pressure of all three gases at 500K. What is the average..
Calculate the wavelength (nm) of the photon absorbed when the electron goes from a n= 2.00 energy level to a n= 5 energy level.
Calculate how the internal energy stored in one O-H bond of H20 - chemical reaction.
Problem- Draw the major organic product formed when the compound shown below undergoes a reaction with CH3CH2MgBr and then is treated with water.
a volume of water was delivered using a buret and experimentally determined to have a mass of 2.00-g. what was the
Carbon monoxide detectors sound an alarm when peak levels of carbon monoxide reach 100 parts per million (ppm). This level roughly corresponds to a composition of air that contains 400,000 micrograms per cubic meter of air.
when acetaldehyde at a pressure of 364 mmhg is introduced into an evacuated 500. ml flask at 518degc the half-life for
The figure-8 bond orbitals around the carbon and oxygen atoms actually extend to infinity but do have two overlapping areas. C)This bond is the result of the interaction of an unpaired carbon electron in the 2s orbital and an unpaired oxygen elect..
A voltaic cell consists of a strip of cadmium metal in a solution of Cd(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution
The following pairs of soluble solutions can be mixed. In some cases, this leads to the formation of an insoluble precipitate. Decide, in each case, whether or not an insoluble precipitate is formed.
If the iron solution was incorrectly diluted to 0.002M for the unknown, what would be the effect on the calculated percent of aspirin in the tablet? Explain
If 13.57 g of copper(II) chloride react, what is the maximum amount of precipitate that could be formed?
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