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1. Draw the Fisher projection formulas for the following and then convert them to three dimensional
a. L-threoseb. L-erythrose
2. Write equations for the best method to prepare each of the following ethers:
CH3CH2OCH2CBr(CH3)2
(CH3)2CHCH2Br
A mixture of 0.140 moles C is reacted with 0.117 moles of O2 in a sealed, 10.0 L vessel at 500 K, producing a mixture of CO and CO2.
An electrical heater delivers 7.880 kJ of energy (as heat) to a system consisting of the gas inside a cylinder having a movable piston. As a result, the piston moves against a constant external pressure such
What is the heat of vaporization(kJ/mol) if it takes 3,452 J of heat to completely vaporize 2.68 moles of the liquid at its boiling point?
How much heat (in kf ) is evolved in converting 1.00 mol of steam at 150.0 C to ice at -45.0 C? The heat capacity of steam is 2.01 j/g*C and of ice is 2.09 j/g*C .
aluminum metal dissolved in hydrochloric acid as follows2als 6hclaq rarr 2alcl3aq 3h2ga. what is the minimum volume
Indicate whether each of the following processes produces an increase or decrease in the entropy of the system:
Preparation of Aspirin - All of them should be written in paragraphs and the method should not be copied exactely from the instruction
For a certain experiment, R-140a vapor is contained in a sealed glass tube at 20 degrees celcius. We want to know the pressure at this condition, but there is no means of measuring it since the tube is sealed
How many grams of formic acid, HCOOH, must be added to 0.240 L of 0.110 M sodium formate, HCOONa, to yield a buffer solution with a pH of 3.50. Assume no volume change. Ka of HCOOH = 5.0 10-4
a mixture of co co2 and o2 is contained within a 275 ml flask at 0c. if the total pressure is 780 torr the co has a
when separated from a water solution cuso4 forms a hydrate with 5 water molecules per formula unit. if 38 g of
In some industrial processes, sulfite is added to remove dissolved O2 to prevent corrosion of pipes. Write the balanced overall chemical reaction for reduction of dissolved O2 by sulfite (SO32-)
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