Propose structure and complete arrow pushing mechanism
Treatment of 4-chloro-1-butanol with one equivalent of lithium diisopropylamide (LDA) as a base leads to rapid formation of a compound with the molecular formula C4H8O. Propose a structure and a complete arrow pushing mechanism for its formation.
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A sample of nitrogen gas is contained in a pistol with a freely moving cylinder. At 0.0 C , the volume of the gas is 375 ml. To what temperature must the gas be heated to occupy a volume of 500.0ml.
Simultaneous pumping into both the upper and the lower laser levels. Consider a laser transition between two upper energy levels E1 and E2 in an atomic system similar to that discussed in this section. Assume, however, that there is pumping
How does direct current break apart water molecule? Does the DC current fill the outer shell full of electrons making a weaker attraction so hydrogen seperates from oxygen?
The other uses an incorrect value (16) and determines the average molecular weight as 32.8. This is the only error in the calculation. What is the percent of oxygen in the mixture expressed as mole %
Treatment of 4-chloro-1-butanol with one equivalent of lithium diisopropylamide (LDA) as a base leads to rapid formation of a compound with the molecular formula C4H8O.
A 26.0-g sample of ice at -11.0°C is mixed with 123.0 g of water at 90.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. The heat capacities of H2O(s) and H2O(l) are 2.08 and 4.18 J/g · &
Two tanks are connected by a valve and line as shown below. The volumes are both 1 m3. Tank A contains R-134a at 20°C, quality 15% and tank B is evacuated.
How many kilojoules are required to raise the temperature of a 150. g sample of silver from 25 degree celcius to 135 degree celcius? silver has a specific heat of 0.235J/g degree celcius.
If the oven uses microwave radiation of wavelength 12.2 cm, how many photons of this radiation are required to heat 1.28 g of water 1.00°C, assuming that all the photons are absorbed?
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