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Derive the equation for the allowed energies of a particle in a one-dimensional box by assuming that the particle is described by standing deBroglie waves within the box. (ie. integral number of half-wavelengths fit into the box)
consider preparing an electrolytic cell with solid cu amp 0.40 m cuno32 solution in one half cell and solid ag amp 0.60
start with 4-cyclopentylphenol and react with NaOH, CH3I, NBS, heat show each step to get the final product.
Calculate the pH, [CH3CH2NH2], and [CH3CH2NH3+] at the following stages of the titration. i) before the addition of any HI solution. ii) after the addition of 20.0 mL of HI solution. iii) at the equivalence point. iv) after the addition of 60.0 mL..
What is the minor product? Explain why the one product is formed preferentially over the other. What reaction conditions can you change to favor the formation of the minor product?
Calculate the energy change, in J, for 1 gmol of H2O 1) 0 to 100km/h 2) 0 to 100m 3) at 100'C from 0.1 bar to 1 bar 4) at 5bar from 0 to 100'C 5) Dissociating to H2 and O2 at 25'C
At 25 C the density of water is 0.997 g/cm^3, whereas the density of ice at -10 C is 0.917 g/cm^3. if a plastic soft-drink bottle (volume=250mL) is filled with pure water capped and then frozen at -10 C what volume will the soild occupy
The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted, using the bond energy data provided below
A saturated solution of calcium iodate, Ca(IO3)2, is created by suspending a small amount of pure solid of Ca(IO3)2 in 50.0 mL of distilled water.
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
Write a chemical equation for HF(aq) showing how it is an acid or a base according to the Arrhenius definition. Write a chemical equation for Ba(OH)2(aq) showing how it is an acid or a base according to the Arrhenius definition
Would the following procedural errors cause an increase, a decrease, or no change in your calculated molecular weight? Indicate clearly the reasoning in each case.
Which of the following processes are spontaneous. Select all that apply. A. a satellite falling to Earth. B. water decomposing to H2 and O2 at 298 K and 1 atm
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