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How does the shape and average distance of the electrons from the nucleus compare for a 2p orbital of nitrogen and a 3p orbital of sulfur
What concentration of [Cu2+] is in a 1.0 L solution that is 0.0010 M CuCl2 and 0.10 M NH3. The formation constant of [Cu(NH3)4]2+ = 1.7 x 10^13.
The highest principle quantum number of period 3 elements is 4. 5. Period 3 elements have six 2p electrons. 6. The valence electrons of group 2A elements are in an s subshell. 7. The valence electrons of group 5A elemnts are in the 6s subshell. 8...
1. calculate the volume of carbon dioxide at 273 k and 1.01 105 pa which would be produced when 1.25g of calcium
How many moles of NaOH must be added to 1.0 L of 1.2 M HC2H3O2 to produce a solution buffered at each pH? a) pH=3.87 b) pH=5.24
Calculate the inital pH of buffers A, B, & C using the Henderson-Hasselbach equation.
Explain how does unique physical and chemical properties of water contribute to significance of water for life on Earth to survive.
sample of KHP requires 19.27mL of NaOH to reach the end point. What is the concentration of NaOH?
what is the phase of matter of the solute and solvent of sterling silver?
The standard enthalpy of formation of the metallocene bis(benzene)chromium was measured in a calorimeter. It was found for the reaction Cr(C6H6)2(s) → Cr(s) + 2 C6H6(g)
Identify each of the following unbalanced aqueous reactions as an acid/base reaction (a), a redox reaction (r) or a precipitation reaction (p).
In the near future, the college will attempt to reduce the cost of chemicals used in campus laboratories. One option suggests the chemistry department use household chemicals instead of expensive laboratory grade materials were ever possible.
tartaric acid c4h6o6 has two acidic hydrogens. the acid is often present in wines and precipitates from solution as
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