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Draw Newman projections to show the different conformers of 2-chloropentane, focusing on the C2-C3 bond. Show all six conformers. Draw a graph that shows the relative energy of the conformer as a function of the torsional angle. Make sure that you clearly label which conformer corresponds to which position on the graph.
A 2 cm string is fastened at both sides is plucked. What is the wavelength of the n = 4 standing wave? How many nodes does it contain?
At constant volume, the heat of combustion of a particular compound is -3698.0 KJ/mol. When 1.895 g of this compound (molar mass=181.06 g/mol) was burned in a bomb calorimeter
Determine the mass of RbCN required to prepare a 500 mL solution which is .12 M RbCN (MW = 112 g/mol).
a second reaction has a standard Gibbs free energy of -55 kJ/mol. What is the ratio of their equilibrium constants at 300 K?
a student measured 50.0 ml of a salt water solution (density=1.021 g/ml) into a flask. The Cl minus in the measured sample required 16.67 ml of 1.0466 M AgNO3 solution to reach the end point.
In an earlier problem we described the reaction of ammonia with oxygen to form nitrogen monoxide, NO.
A 1L steel tank is fitted with a safety valve that opens if the internal pressure exceeds 850 torr. It is filled with helium at 23 oC and 0.991 atm and placed in an oil bath. To what temperature (oC) will the oil bath need to be heated to first ..
What would happen to the levels of mevalonate in human plasma if an individual were to go from a meat containing diet to a vegetarian diet
A distance of 200 ft must be taped in a manner to ensure a standard deviation smaller than ± 0.03 ft. What must be the standard deviation per 100 ft tape length to achieve the desired precision?
How many grams (to the nearest 0.01 g) of NH4Cl (Mm = 53.49 g/mol) must be added to 550. mL of 0.906-M solution of NH3 in order to prepare
How many atoms of carbon are present in 73 g of a compound that is 83.3% carbon, by weight?
Calculate the rpoportion of I2 (iodine) molecules in their ground state, first excited stated
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