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QUESTION: determine the structures of Compounds A, B, C, D, and E. Show calculations. Support all of your structure determinations. Student performed a sodium borohydride reduction experiment. He followed a standard procedure for performing such reduction reactions and workup and isolation protocols. Student's starting material was Compound A. In his reduction reaction with Compound A, he obtained four products, Compounds B, C, D, and E. In an elemental analysis experiment, Compound A was shown to be 81.05% carbon and 4.55% hydrogen. In separate elemental analyses experiments, Compounds B, C, D, and E were shown to be 79.60% carbon and 6.25% hydrogen.
To determine the volume of a gas using ideal gas law and evaluate the number of moles of a gas using ideal gas law.
Calculate the total enthalpy change in the first stage and in both stages
A sample of sodium reacts completely with 0.426 kg of chlorine, forming 702 g of sodium chloride. What mass of sodium reacted?
A mixture of 1 atm chlorine gas and 1 atm oxygen gas and no product undergoes this reaction. Cl2 + 2 O2 ---> 2 ClO2 What equation would be used to solve for the equilibrium concentrations
Draw the major organic product from reaction of 1-butyne with NaNH2, then CH3Br. If no reaction occurs, write ethane, CH3CH3.
A 130 mL stock solution contains 1.5 M CuF2. When 11 mL of the stock solution is diluted to 23 mL, what will the concentration of F- ions be?
Two moles of potassium chloride and three moles of oxygen are produced from the decomposition of two moles of potassium chlorate, KClO3(s). Write the balanced equation. How many moles of oxygen are produced from 12 moles of potassium chlorate?
Calculate the approximate SO 2 mass emission in lb/day.
how many moles of oxygen gas will be produced by the decomposition of 111.5 g of lead(II)oxide.
A 2.85 g sample containing only MgO and CuO is placed in a 3.00 L container. The container is filled with CO2 to a pressure of 740 torr at 20 degrees C. After the reaction has gone to completion, the pressure inside the flask is 390 torr at 20 deg..
At 9.°C and 1.40 atm pressure, a sample of helium gas occupies a volume of 5.10 L. The sample is compressed and heated to 60.°C. Calculate the final pressure of the sample, if the final volume is 3.64 L.
If 69.5 kJ of heat is applied to a 1038 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
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