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1. Draw stereo-formulas for the more stable chair conformation for both cis- and trans-4-tert-butylcyclohexanol and explain why each conformation is preferred.
2. If you could find a way to equilibrate cis- and trans-tert-butylcyclohexanol (there are ways to do this), which isomer would predominate? Explain.
If a student starts with 615g of Co(NO3)2 and obtains a 57.3% yield of CoS, what mass of CoS is isolated? Co(NO3)2 +K2S ---> CoS + 2KNO3
What is the gauge pressure of the gas in this mercury manometer
90.0 of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of the system is 21.5.
Calculate the equilibrium constant for the reaction - flask at a certain temperature according to the reaction
Calculate the average kinetic energies of the CH4 and N2 molecules at 286 K and 556 K?
In the chemical kinetics experiment, describe how you plan to mix the dye and bleach to start the reaction and when you expect to start recording the time? Include the volumes of dye and bleach solution you intend to mix? How are you going to make..
In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell.
At a certain temperature the equilbrium constant is 396 K for H2(g) + I2(g) ↔ 2HI(g) , Calculate the the equilbrium constant for 0.5H2(g) + 0.5I2(g) ↔ HI(g)
how much energy is required to warm 100g of H2O from 20 degrees celcius to 80 degrees celcius if it is initially in a 140g glass flask? the specific heat of water is 4.18 J/g degree celcius.
List at least three potentially hazardous features associated with concentrated sulfuric acid.
draw the mechanism for the reaction between 3-chloroaniline and diethyl ethoxymethylenemalonate.
At a pressure of 1.00 atm and a temperature of 20 degree Celsius, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is raised to 1.35 atm and the temperature stays the same?
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