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Provide the mechanism (showing all steps and curved arrows) for the dehydration of 4-methylcyclohexanol in the presence of sulfuric acid.
Briefly explain why hydrogen atoms in methane are all in equivalent positions? B. Briefly explain why there are no structural isomers of propane (c3h8)
Then add 10 g of water that has been heated to 100 degrees C and seal the calorimeter. If the equilibrium temp is 43.54 degrees C, what is the heat capacity of the calorimeter? (Heat capacity of water is 4.185 J/g degrees C).
The average molecular weight of the protein by gel permeation is 525000 g mass/g mol. Calculate the mole fraction of each component in solution.
What volume of H2 (at 25oC and 1.00 atm ) can be produced by reaction of 161 g Fe and 202 g of HCl? (Atomic weights: Fe = 55.85, Cl = 35.45, H = 1.008).
Calculate the pressure in atmospheres using both the ideal gas law and the van der Waals equation. For N2, a=1.35(L^2 x atm)/mol^2, and b=0.0387L/mo
When an ion-selective electrode for X was immersed in 0.0680 M XCl, the measured potential was 0.0400 V. What is the concentration of X when the potential is 0.0550 V
A 30.00 mL volume of a weak acid, HA, (Ka = 3.8 x 10^-6) is titrated with 39.00 mL of 0.0958 M NaOH to the equivalence point. What is the pH of the analyte solution before any base is added to it
A girl is celebrating her seventh birthday. Each guest is served one large slice of chocolate cake, a hamburger, French fries, and some oranges. Identify the food groups mentioned above.
what is the solubility of helium in water at 30 ordmc if its partial pressure above the solution is 350 torr? the
a gas mixture composed of helium and argon has a density of 0.853gl at a 745mmhg and 298k. what is the composition of
prepare 100 mL each of five standard solutions: 2.00 x 10-5, 5.00 x 10-5, 1.00 x 10-4, 2.00 x 10-4, and 5.00 x 10-4 M. These will serve as your analytical standards, which means that their phosphate concentrations must be precisely known.
In the reaction 2 C8H18 + 25 O2 ? 16 CO2 + 18 H2O, if the rate of change in the concentration of CO2, ?[CO2]/?t, equals 0.51M/s, what is the value of ?[O2]/?t, the rate of change in the concentration of O2
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