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What are the reaction mechanisms from Hydroboration that yields the drug molecule -(-)Cassine? What are some applications with using this drug?
a. Explain what volume of hydrogen at 15.00atm and 350 degrees C must be supplied to produce 1.0 tone (1t=10^3 kg) of NH3. b. Explain what volume of hydrogen is needed in part as if it is supplied at 376atm and 250 degrees C
What volume, in L, of hydrogen gas at standard temperature and pressure (STP) is produced from reacting 0.333 L of 0.807 M hydrochloric acid with aluminum metal? (1 mol of gas @ STP = 22.4 L).
An aqueous solution of weak base B of unknown concentration is titrated with a known concentration of acid, HA. Write the balanced chemical equation for this acid-base
a tank contains a mixture of 3.0 mol of nitrogen 2.0 mol of oxygen and 1 mol of carbon dioxide at 25 degrees and a
Question- (1) Evaulate the effect on the experimental results for the enthalpy of formation of ammonium salts lab as it pertains to each of the following possibilities:
compare the stabilities of each of the four conjugate bases that would be formed from the doprotonation of the four different OH groups and determine which of hte OH is most acidic.
For UV light of wavelength 254 nm, calculate the frequency and the amount of energy absorbed by a single molecule when it absorbs a quantum of this light. (Remember ??=c, where c = 3.00 x 108m/s and E = h?, where h = 6.63 x 10-34 J·s) 1nm = 1x10-9..
You use 25 mL of 6.0 M NaOH to neutralize 50 mL of an unknown acid in a titration experiment. What is the molarity of the acid
Given that the dominant isotope mass for copper metal is 62.94 amu (g/mol) how many atoms of copper metal are in a pure copper coin that weighs 2.15g
in the titration of 25.00ml of 0.100M CH3COOH, calculate the number of milliliters of 0.200 M NaOH that must be added to reach a pH of a)3.85, b) 5.25,
Based on the value obtained in the three heating above, do you think the student should have confidence in his results? why? what do you think he should do to be more confident in his result
Compound three reacts with ozone followed by Zn. H2O to produce only one compound 4 (C6H10O2). Suggest structures for 1, 2, 3 and 4 that account for these facts.
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