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Standard reduction potentials for nickel(II) and copper(II) The standard reduction potential for a substance indicates how readily that substance gains electrons relative to other substances at standard conditions. Consider the following: Ni2+(aq)+2e- -> Ni(s), E red = -0.23V Cu2+(aq)+2e- -> Cu(s), E red = +0.337V What is the standard potential, E cell, for this galvanic cell? Express your answer to four significant figures and include the appropriate units.
The activity coefficients for acetic acid and the acetate ion are 1.000 and 0.775, respectively, in a solution with an ionic strength of 0.10 M.
What is the condensed structural formula of nonane? b. Is it a solid, liquid, or gas at room temperature?
the solubility reaction of interest in this solution? (b) Is a precipitate expected in the solution (Yes, No, or Not Enough Information to Know)?
Calculate the formula of a compound, given that 55.85 g of iron combines with 32.06g of sulfur.
When a 8.26-g sample of gaseous hydrogen bromide dissolves in 36.2 g of water in a coffee-cup calorimeter the temperature rises from 25.00C to 82.14C. Calculate H in kJ/mol HBr for the solution process.
Consider the following endothermic reaction at Equlibrium; 2 H20(l) 2H2(g)+O2(g) if .5 mol water is added what will happen and why
Construct quantum mechanical operators for the following observable: (1) the inverse separation 1/x
If it were possible to obtain 100% yield, when the temperature was returned to the origenal value what would be the partial pressure of each gas be?
Concentration of NADH was found by using beer's law using 6.22 mM cm-1 as extinction coefficient. Concentration of NADH = .0212 mM. Moles of NADH that are present in 1.02 mL sample was found by : .0212 mM x 1.02 mL = .021624 mM/mL
Calculate the pH when 3.06 g of NaClO is added to 57.2 mL of 0.50 M HClO. Ignore any changes in volume.
use an orbital interaction diagram to draw the molecular orbitals oh H2+. Do you predict that this molecule will be stable? Explain your logic.
Ammonium nitrate (NH4NO3) decomposes into nitrogen, oxygen, and water. If 12g of ammonium chloride decompose entirely at 300 C with delta H reaction =-236.kJ
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