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Compound P binds with X to form the complex PX. A series of solutions was prepared with the total P concentration remaining fixed at 1.00 x10-5M in all solutions. Both P and X do not absorb at 437 nm, but PX has an absorption maximum at 437 nm. The following table shows how the absorbance at 437 nm in a 5.00 cm cell depends of [X], using the assumption that [X]is approximately qual to XTbecause XT>>*P+.
[X] in M
A
No X added
0.000
0.00200
0.125
0.00400
0.213
0.00600
0.286
0.00800
0.342
0.0100
0.406
0.0200
0.535
0.0400
0.631
0.0600
0.700
0.0800
0.708
0.1000
0.765
Make a Scatchard plot of ΔA/*X+ versus ΔA in order to find the equilibrium constant K for this binding event.
A gas is expanded in a cylinder from 2.00 L to 12.0 L against an external pressure of 1.80 atm. At the same time, it absorbs 2.56 x 103 J of heat from the surroundings. Calculate ?E of the gas in J. (1 L•atm = 101.3 J)
The number of grams of water required to dissolve a mixture containing 15 g of KNO3 and 3.5 g CuSO4 * 5 H2), assuming that the solubility of one substance is not affected by the presence of another
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Ammonia reacts with oxygen gas to produce water and nitrogen gas. What mass of oxygen gas must be used to react with 19g of ammonia
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The unit of S was the J/(mol*K) the book said. But, in delta S, why the unit is J/K? I just think when I want to calculate delta S, sum of products's S - sum of reactants's S, so the unit of delta S is same as S I thought. What is it
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A flask contains 0.500 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
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Ammonia reacts with oxygen gas to priduce water and nitrogen gas. What mass of oxygen gas must be used to react
suggest at least one characteristic absorption each in the ir spectra of 9-flurenone and 9-hydroxyfluorene that could
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