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How would doubling the concentration of the nucleophile affect the rate of the reaction in which t-amyl chloride is prepared from t-amyl alcohol via a unimolecular nucleophilic substitution? Explain. What effect would a more polar solvent have on the rate of this reaction? Explain.
Why is glycogen debranching enzyme necessary? a) It allows regulation of the rate of glycogenolysis. b) Because glycogen phosphorylase cannot convert G1P to G6P
The proposed mechanism for a reaction is 1. ClO-(aq) + H2O(l) => HClO(aq) + OH-(aq) SLOW 2. I-(aq) + HClO(aq) => HIO(aq) + Cl-(aq) FAST 3. OH-(aq) + HIO(aq) => H2O(l) + IO-(aq) FAST Which of the following would be a rate law for the reaction
If an unknown crystalline organic compound has a heat of melting that is 8.605 kJ/mole and a melting point of 250.6 C
A 12.0 gas cylinder has been filled with 5.40 moles of gas. You measure the pressure to be 5.00 atm. What is the temperature inside the tank? Express your answer numerically in degrees Celsius.
A student synthesized benzyl acetate following Fischer esterification, and combined 3.4 mL benzyl alcohol (MW = 108.14 g/mol, ?= 1.044 g/mL) and 0.57 mL acetic acid (MW = 60.05 g/mol, , ?= 1.049 g/mL) under reflux for 50 minutes.
Calculate the change in enthalpy for the CHCl3 sample and change in entropy for the CHCl3 sample. Finally, Calculate the change in entropy for the reserve and change entropy of the universe.
If you have a vapor compression cycle using HCF-134a refrigerant instead, what is the minimum pressure would you have to achieve in the compressor in order to reject heat into the surroundings assuming that you need the refrigerant to be a minimum
Which of the following ionic compounds has the largest lattice energy (i.e., the lattice energy most favorable to a stable lattice)?
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.
When do you expect to see signal distortions in 1H-NMR spectrums? What kind of distortions can occur? How can you minimize the appearance of distortions
In which of these molecules or ions does the presence of nonbonding electron pairs produce an effect on molecular shape, assuming they are all in the gaseous state. Check all that apply. SiH4, PF3, HBr, HCN, SO4
Calculate the number of moles of carbon dioxide in the final equilibrium system obtained by initially adding 1.00 mol of H2, 2.00 mol of CO2, 0.750 mol of H2O, and 1.00 mol of CO to a 5.00 L reactor at 990ºC.
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