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Explain how and why Carbon can experience, sp, sp2, and sp3 via hybridization and what role this plays in the geometry of the molecule.
What actions should an exposed person take during the immediate aftermath of the explosion?
How many milligrams of Ni would be plated on the cathode if a current of 0.20 A is drawn for 2.8 hrs? mg Ni b) What is [Cr3+] when [Ni2+] has dropped to 10-4 M? [Cr3+] = c) What is the cell potential at the conditions described in Part b E = V
How many moles of Na2SO3 were added to the calorimeter cup if 40.0mL 0.50 M NaOCl and 60.0mL 0.50 M Na2SO3 were combined?
A solution is prepared by dissolving 5.32 grams of potassium nitrite (a food preservative, as Clark Griswold would explain) into about100 ml of DI water in a volumetric flask. Enough water is then added to give a total volume of 250.0 ml. What are..
Draw the Lewis structure for the PO4-3 ion, indicating any resonance forms. On the basis of electron configurations, predict the formula of the Type I ionic compound formed from the elements Z=49 and Z=51.
How do you know if a molecule has resonance structures or does not have any structures like ethanol
The equilibrium constant for a reaction is 0.38 at 25 °C. What is the value of ?G° (kJ/mol) at this temperature
We would like to make a buffer solution with a target pH of 8.44 (ignore activity). Suggest 3 conjugate acid/base pairs that could be used to make such a buffer.
Calculate the pH of a buffer containing 0.030 M HC2H3O2 and 0.050 M NaC2H3O2. The Ka of HC2H3O2 is 1.75 x 10^-5
The Kb of methylamine, CH3NH2, is 4.2 x 10-4. Calculate the pH of a solution of 0.431 M methylamine.
What is the concentrationof lead ions and sulfide ions in a saturated solution of lead sulfide (PbS) soltution at 25 degree celcius(Ksp=3.0x10-28).
A buffer solution is prepared by adding 15.00 g of sodium acetate ( NaC2H3O2) and 12.50 g of acetic acid to enough water to make 500 mL of solution.
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