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An equilibrium mixture of PCl5(g), PCl3(g), and Cl2(g) has partial pressures of 217.0 Torr, 13.2 Torr, and 13.2 Torr, respectively. A quantity of Cl2(g) is injected into the mixture, and the total pressure jumps to 263.0 Torr (at the moment of mixing). The system then re-equilibrates. The appropriate chemical equation is PCl3(g)+Cl2(g)<---->PCl5(g) Calculate the new partial pressures of PCl3, Cl2, and PCl5 after equilibrium is reestablished.
What is the "mass per volume" percent sodium hypochlorite content of your household bleach product?
Calculate the enthalpy of the reaction: 2NO(g) + O2(g) --> 2NO2(g) given the following reactions and enthalpies of formation:
the amount of product formed in the reaction mixture was 12 micro-moles. If, in a separate experiment, one-third as much enzyme and twice as much substrate had been combined, how long would it take for the same amount (12 micro-moles) of product t..
what are the structural formulas for the following compound : 6-bromo-2-methyl-3-heptyne
Calculate a change in pH when 10 mL of 0.2 M LiOH is added to the buffer made by mixing 50mL of 0.1 M hydrobromous acid (HOBr) and 40 mL of 0.2 M of sodium hydrobromide
Compounds in a and b were named incorrectly. On a sheet of paper draw the molecule that fits the given description. From the structure you drew determine the correct IUPAC name. Write the correct IUPAC name in the blank.
Draw the structure of a phosphodiacylglycerol that has hexadecanoic acid and 9-octadecenoic acid
A solution is made by dissolving 25g of NaCl in enough water to make 1.00 L of solution. Assume that the density of the solution is 1.00 g/cm3. Calculate the mass percent, molarity, molality, and mole fraction of NaCl
Benzene (A) melts at 6 0C and diphenylmethanol (B) melts at 65 0C. The solids are mutually immiscible. There is a eutectic at 1 0C, the eutectic solution being 20 mol % in B, and an unstable compound, AB2,
An electron in the n=5 level of a hydrogen atom emits a photon wavelength 1282.17 nm. To what energy level does the electron move?
A rolled oat's piece has a thickness =1.2 mm. The density= 600 kg/m3, specific heat capacity=2200 J/kgK and thermal conductivity= 0.4 W/mK,The product is to be baked from twenty degree celsius.
calculate the specific heat of a metallic element if 478 J of energy are needed to raise the temp. of a 82.73 g sample from 25.0 C to 50.0 C. what is the most likely identity of the element
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