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Provide the chemical reaction of an oxidation-reduction reaction that was observed to be spontaneous. Provide a value for the standard cell voltage for this reaction. Is the voltage a positive value as expected for a spontaneous chemical reaction?
What is the mechanism for turning 1-bromotbutane when it reacts with KI and DMF into n-butyl acetate?
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water. MnO4-(aq) + H2C2O4(aq) ? Mn2+(aq) + CO2(g)
The density of hexa-fluorobenzene is 1.61 g/ml. If you mix dichloromethane, water and hexafluorobenzene together how many layers will there be and what will their positions be
If the test of such a breath sample yields a reading of 0.08%, what are the partial pressure and mole fraction of CH3CH2OH in the breath of the person who was tested? Assume the atmospheric pressure and temperature are 101 kPa and 21.0 oC, respect..
If the molality of your solution is 0.30, calculate the contribution to the percentage error in your result due to not correction for the errors int he thermometer readings.
A sample of gas in a balloon has an initial temperature of 22 and a volume of 1610 . If the temperature changes to 58, and there is no change of pressure or amount of gas, what is the new volume, , of the gas?
calcuate the number of moles of HCI and of NaOH present when mixing 50.0mL
How many joules of energy are needed to melt 27.0 of acetic acid? Heat of fusion (acetic acid)= 192J/g.
what problem might there be if you attempted to perform the kinetic experiment at -20 degrees celsius
Solid NaI is slowly added to a solution that is .0075M Cu+ and a .0087 M Ag+. Which compound will precipitate first (NaI, CuI, or AgI), calculate [Ag+] when CuI just begins to precipitate
EXPLAIN why at low temperatures, e.g. -80 °C, when HCl is added to 1,3-butadiene the major product is 3-chloro-1-butene. c) EXPLAIN why at +80 °C when HCl is added to 1,3-butediene the major product is 1-chloro-2-butene.
Another solution of the same chemical is measured under the same conditions and has an absorbance of 0.81. What is its concentration?
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