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A gas sample at 29°C and 790 torr pressure is heated until its volume is doubled. What pressure would restore the sample to its original volume?
Calculate the pH of a buffer solution that is 0.250 M in HCN and 0.170 M in KCN. For HCN, Ka = 4.9 x 10^-10 (pka = 9.31). Use the equilibirum approach to calculate
a solution is prepared by condensing 4.00l of a gas measured at 27degc and 746mmhg pressure into 580g of benzene.
In the balanced redox reaction: 2C2H6(g) + 7O2(g) > 4CO2(g) + 6H2O(g), which species is oxidized
The Kp for the reaction is 4.3X10^-4 at 648K. Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900atm N2 and 0.500 atm H2 at 648K
the oxygen gas emitted by an aquatic plant was collected over water at a temerature of 293 k and a total pressure of 755.2 mmhg.
If 4 mol of a gas at 100 K and 1 atm occupies a volume of 2.5 L, what would the pressure be, in atm, if the volume decreased to 2.0 L and the temperature increased to 110 K
a rigid tank of 0.03cubic meters volume contains a mixture of liquid water and water vapor at 80kpa. the mass of the
Determine the answer to each of the following: a) the number of unpaired electrons in the Mn2+ ion: show valence orbital diagram b) a possible set of quantum numbers (n, l, ml, ms) for an electron occupying a 5p orbital
Draw the phenylthiohydantoin (PTH) derivative that was isolated after the second Edman degradation cycle involving the heptapeptide Tyr-Ile-Glu-Asn-Cys-Pro-Ile
HOw much enjergy is required to produce 450g of C6H12O6?
Indicate whether or not each of the following compounds is soluble in water. If the compound is soluble, what ions are produced a. PbI2 b. Li2SO4 c. Fe(NO3)3
If the combustion gases consist of CO2, H2O, CO, O2, and N2 that exit at 1200 K and 2 atm, determine (a) the equilibrium composition of the product gases and (b) the rate of heat transfer from the combustion chamber. Is it realistic to disregard t..
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