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Identify the major product in the monotitration of the following-
a. p-nitrotoluene.
b. o-nitroanisole.
c. phenyl benzoate.
d. p-nitrobenzophenone.
e. p-t-butyltoluene.
f. phthalic anhydride.
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1. calculate the h of a solution obtained by mixing 1 l of hydrochloric acid 1.0 m with 1 litre of sodium hydroxide
Calculate the overall energy change in kilojoules per mole for the formation of CaCL(s) from the elements. The following data are needed: (a) Eea for CL(g) = -348.6kj/mol. (b) Ei1 for Ca(g) = +589.8kj/mol. (c) Ei2 for Ca(g) = +1145kj/mol. Heat of ..
Which of the following correctly shows intrachain hydrogen bonding (???) in an alpha-helix? A. -NH HN- B. -C=O HC- C. -C=O HN- D. -C=O O=C- E. -CH HC-
If 30.00 mL of 0.500 M KOH are needed to neutralize 10.00 mL of HCl of unkown concentration, what is the molarity of the HCl
At high temperature, ammonia reduces copper(II) oxide to the free metal: Step 1: 2NH3(g) + 6CuO(s) => N2(g) + 3Cu2O(s) + 3H2O(g)
To an open beaker containing 500ml of water at 298k, 20g of sodium metal is added. the reaction proceeds quite rigorously but ultimately comes to rest after consuming all of the sodium metal and thermally reequilibrating with the surroundings. The..
calculate the length in km of a row containing 1 mole of hydrogen atoms laid side to side if diameter of a hydrogen
What is the buffer component ratio, ([BrO-]/[HBrO]) of a bromate buffer that has a pH of 7.88. Ka of HBrO is 2.3 x 10-9
German physicist Werner Heisenberg related the uncertainty of an object's position (?x) to the uncertainty in its velocity ?v. The mass of an electron is 9.11× 10-31 kg. What is the uncertainty in the position of an electron moving at 3.00 × 10^6 ..
calculate q, w, and change in enthalpy for the helium in the balloon. (the molar heat capacity for helium gas is 28.8 J/ degrees C mol.)
the normal freezing point of mercury is -38.9 c and its molar enthalpy of fusion 2.29kjmol. what is the entropy change
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