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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
Use Huckel molecular orbital theory to answer the following questions. Express energies as functions of the parameters α and β.
If 60mL of 0.1M CH3COOH is titrated with 0.2M NaOh, what will the pH be when: 1. Initial, before adding NaOH 2. 15mL of NaOH is added 3. 30mL of NaOH is added I worked the pH levels to 2.87, 4.74, and 10.21 (none, 15mL, 30mL NaOH).
Determine the mass of a mixture of 1.33x10^24 formula units of Sodium sulfate, 1.500 moles of Water and 3.77g of silver chloride?
The 20 mL of water added to the Erlenmeyer flask is to be previously boiled, deionized water. Since water does absorb CO2 from the atmosphere and since CO2 dissolved in water causes it to be slightly acidic,
If 2.5 mol of ethylene oxide is decomposed at 93 degrees celcius what will be the final temperature of the products? The heat capacity of the products is 110.13J/mol C
The saturated vapor pressure of mercury is 0.0020 mmHg at 300 K and the density of air at 300 K is 1.18 g/L. (a) Calculate the concentration of mercury vapor in air in mol/L. (b) What is the number of parts per million (ppm) by mass of mercury in ..
A weather balloon is inflated to a volume of 26.1 L at a pressure of 755 mmHg and a temperature of 23.0. C The balloon rises in the atmosphere to an altitude, where the pressure is 375 mmHg and the temperature is -16.9. C assuming that that balloo..
How many Valence electrons does a balanced atom of Sodium have? What is the net charge on each ion?
Why is cycloheptatrienone stable while cyclopentadienone is quite unstable. Explainthe difference in their stabilities.
Identify each of the following substances as an element, compound, solution, or heterogeneous mixture
Write the formula for the aldehyde formed from oxidation of ethanol Write the formula for the acid formed from ethanol's oxidation
How many times faster will the reaction occur at 43^circ {rm C} than at 0 ^circ {rm C}? How many times faster will the reaction occur at 43^circ {rm C} than at 0 ^circ {rm C}?
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