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1. For the methylcyclohexane with the methyl group in axial position, the energy is 18.44 kj/mol and for the methyl group in equatorial position the energy was 8.66 KJ/mol based on this information which is more stable and why?
warmed then 125 microliters of unknown xylene and 10 mg detergent were refluxed for 45 minutes. Then we added sodium bisulfite until the purple color was gone for one step. What is the role of sodium bisulfite in such a procedure?
If a sample containing 2.00 mL of nitroglycerin ({rm{density}} = 1.592{rm{g/mL}}) is detonated, how many total moles of gas are produced?
Calculate the mass percentage of cobalt in Co3(PO3)2.
Consider the equation A(aq) + 2B(aq) 3C(aq) + 2D(aq). In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0 mL 0.100 M B. At equilibrium the concentration of C is 0.0410 M. Calculate K.
The Ni2 extracted from the column was treated witn 25.00 mL of 0.05804 M EDTA. How many milliliters of 0.02282 M Zn2 is required for the back titration of the Ni2 solution?
One of the highest concentrations of peroxyacyl nitrates has been found in the Los Angeles (LA) basin at 30 ppb, reaching its peak at mid-afternoon. Most of the pollution in the LA basin is created in an area of only 3000 km^2
Describe the process of obrital hybridization as applied to carbon. You must include information on obritals used and produced
Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.
determine the net change of oxidation number of each of the elements in the redox equations.
While Xeloda works well, it is effective for colorectal tumors and liver cancer. What are the drawbacks for extending this therapy to other types of cancer?
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility in the following. (a) pure water (b) 0.20 M KBr solution (c) 0.15 M Pb(NO3)2 solution
An unknown gas effuses at a rate of 86.6 mol/hr. Under similar conditions, I2 effuses at a rate of 30.4 mol/hr. What is the molar mass of the compound.
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