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What is the fischer projection for (2S,3R)-2-chloro-3-bromobutane? (the wedged dashed bond is for chloride and filled wedged bond is for bromide).
the generic term used to describe the structure of the carbon nucleophile in a Wittig reaction
The lamps worked by dripping water onto calcium carbide that generated acetylene gas (H2C2) that was burned. If the reaction is CaC2 + 2H2O H2C2 + Ca(OH)2, how many liters of acetylene gas at 1.00 atm pressure and 0.00 °C are produced from 75.0 gr..
10.9g of ice at 0.00 degrees C is mixed with 50.0g of water at 32.0 degrees C. What is the final temperature of the mixture? (heat of fusion=333J/g; specific heats: ice=2.09J/gK; water=4.184J/gK
an aqueous soultion of uknown salt of ruthenium is electrolyzed by a current of 2.50 amps passing for 50 min. if 2.618 g Ru is produced at the cathode, what is the charge on the ruthenium ions in solution?
nbspa radiation biologist studies the decomposition rate of a certain substance and obtains the given data as mass mug
pressure cookers achieve a high cooking temperature to speed the cooking process by heating a small amount of water under constant pressure
in an experiment a piece of copper is weighed 40.0 g and allowed to react with oxygen. rm 2cus rm o2g to rm 2cuos how
Calculate the average atomic made of boron which has 2 isotopes. Boron-10 has an abundance of 19.9% and boron-11 has an abundance of 80.1%.
After the addition of a large excess of acid (in comparison with the acid volume needed to reach the equivalence point) D) tell how many millileters of acid are required to reach the equivalence point
What is the value of Ecell for a concentration cell that combines silver electrodes in contact with 0.10 M silver nitrate and 0.00003 M silver nitrate solutions? ( E = + 0.80 V for Ag/Ag+)
For the decomposition of ammonia on a tungsten surface at 1100 oC 2 NH3 N2 + 3 H2 the average rate of disappearance of NH3 over the time period from t = 0 s to t = 1417 s is found to be 3.40E-6 M s-1. The average rate of formation of N2 over the s..
A green leaf has surface area 2.05 cm^2. If solar radiation is 1190 W/(m^2) , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
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