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A Zn^2+/Zn half cell was placed inside a beaker with a Cu^2+/Cu half cell and was hooked up to a voltmeter to record the voltage. 3 mL of 6 M Cu^2+ solution was added until a deep blue Cu(NH3)4^2+ complex ion was obtained and a voltage reading was recorded. Based on this information how can I use the experimental standard cell potential, experimental nonstandard cell potential, and 0.10 M of zinc to determine the concentration of copper in the solution?
1.90-g sample of a large biomolecule was dissolved in 23.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
Give the percent yield when 28.16 g of CO2 are formed from the reaction of 4.000 moles of C8H18 with 4.000 moles of O2. 2 C8H18 + 25 O2 ? 16 CO2 + 18 H2O
Draw the phenylthiohydantoin (PTH) derivative that was isolated after the second Edman degradation cycle involving the heptapeptide Tyr-Ile-Glu-Asn-Cys-Pro-Ile
Which one of these, E1, addition of H-X to alkenes, SN2, SN1, or acid catalyzed hydration of alkenes, does not have a reactive intermediate carbocation and why
2- hexanone and 4 - methyl-2-pentanone are isomers, thus their molecular weights are equal. What are some reasons why their boiling point and GC retention time is different
If you allow 10.0 g of sodium chlorite to react with 2.00 L of chlorine at 1.50 atm and 21 degrees Celsius, what would be the volume of the chlorine dioxide produced and measured under the same conditions of temperature and pressure? a. 4.0 L ..
Hydrogen has two naturally occurring isotopes 1H (mass= 100783), and 2H (mass= 2.0140). If the atomic weight of hydrogen is given as 1.0079, which one is the more abundant isotope
What is the longest wavelength of light that can be emitted by a hydrogen atom that has an initial configuration of 7p1?
How do you calculate the percent by mass of volatile water in hydrated salt and average H20 when the mass of hydrated salt
If 15 grams of copper (II) chloride react with 20 grams of soduim nitrate, how much sodium chloride can be formed?
the temperature of a 4.00L sample of gas is changed from 10.0c to 20.0c. what will the volume of this gas be at the new temperature if the pressure is held constant?
given that hclo4 an aqueous solution is 4.810-8 m write the equation for the reaction of hclo4 compute h3o oh- poh and
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