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Explain carefully and clearly why the energy of the "4s" subshell is lower in energy than the "3d" subshell in the energy level diagram for C(g); whereas the "4s" subshell is higher in energy than the "3d" subshell in the energy level diagram for C+5(g). Necessary sketches used to facilitate your analysis - must be carefully explained.
The following reactions ZnBr2 (aq) + 2AgNO3 (aq) -->Zn(NO3)2 (aq) + 2AgBr (s) KBr (aq) + AgNo3 (aq) --> AgBr (s) + KNO3 are examples of a. oxidation- reduction reactions b. acid- base reactions c. precipitation reactions d. a and c e. none of thes..
The equilibrium constant for the reaction N2(g) + 3H2(g) = 2NH3(g) is Kp=4.34x10^-3 at 300*C. Pure NH3 is placed in a 1.00 L flask and allowed to reach equilibrium at this tempurature. There are 1.09 g NH3 in the equilibrium mixture.
what is the literature value for the Ksp of potassium hydrogen tartrate in water at 10, 22.5, 35, 50 degrees?
What is the molar solubility of MgCO3, a component of the mineral dolomite, at 25 degrees C
calculate the ph at teh second equivalence point in the titration of 0.1000l of a 0.1000 m solution of the weak
Water has a number of unique properties that sets it apart from other substances, sometimes called the "anomalies of water." The most commonly recognized anomalies are: The match between the range of temperatures of liquid water and the "normal" temp..
Why is NaHCO added to the freshly brewed tea, prior to extraction with CH?Cl. If an intractable emulsion is produced during extraction of caffeine, how might you attempt to break up the emulsion
A solution of H2SO4(aq) with a molal concentration of 5.25 m has a density of 1.266 g/mL. What is the molar concentration of this
A 0.1510 gram sample of hydrocarbon produces 0.5008 gram CO2 and 0.128 gram H2O in combustion analysis. Its molecular weight is found to be 106.
Find the volume of a gas inside a cylinder - What will be the resulting volume of this gas?
question potassium chloride is used as a substitute for sodium chloride for individuals with high blood pressure.
A buffer is prepared by adding 0.30 mol CH3COONa to 2.0 L of a 0.10 M CH3COOH solution. Calculate the pH after 0.030 mol HCl are added to the buffer. (Ka for CH3COOH = 1.8 x 10-5)
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