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The standard cell potential for the reaction below is +0.63 V. The cell potential for this reaction is __________ V when Zn2+ = 3.5M and Pb2+ = 2.0x10^-4 M. Pb2+ (aq) + Zn (s) --> Zn2+ (aq) + Pb(s)
The empirical formula for hydride of silicon is SiH4, and it's central atom is silicon. Based on this information, you would expect the empirical
Atmospheric pollution is a problem that has recieved much attention. not all pollution, however, is from industrial sources. Volcanic eruptions can be a significant source of air pollution.
If all the energy obtained by by burning 1.26 lb of butane (fuel value is 10.85 kcal/g) is used to heat 126.0 kg of water at an initial temp of 19.7C, what is the final temperature.
In an electrolysis cell similar to the one employed in this experiment, a student observed the unknown metal anode lost .206g while a total volume of 84.90mL of H2 was being produced. The temperature in the lab was 230C and the barometric pressure..
A 4.80 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C.
the density of aluminum is 2.70 gm/cm3 the density of chromium is 7.19 gm/cm3. if equal masses of Al and Cr are addede to equal vol of H2O in separate graduate cylinder which would have the greatest change in volume
what is the mass of the zinc sulfide product. Express your answer with the appropriate units.
The bond energies are: C H 416 kJ/mol; C C 356 kJ/mol; C C 598 kJ/mol; O O 498 kJ/mol; C O 803 kJ/mol; H O 467 kJ/mol.determine the heat of combustion of ethylene ?
A solution consists of 0.450 mole of pentane, C5H12, and 0.250 mole of cyclopentane, C5H10. What is the vapor pressure of pentane in this solution at 25°C?
Show how many µL of protein sample you will take and add with the desired volume of DTT and Laemmli buffer to make the right concentration of sample.
If a person produces and exudes polyunsaturated oil from their skin, how does it ultimately make clothes smell bad, and how does baking soda remove the odor?
Determine the degree of unsaturation for C5H8. Draw constitutional isomers of C5H8 that are terminal and internal. Name each molecule according to IUPAC.
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