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which of the following alcohols undergoes dehydration at the fastest rate on being heated with H2SO4? a) 1-butanol b)2-methyl-1-butanol c)2-methyl-2-butanol d)3-methyl-1-butanol e)3-methyl-2-butanol
describe and explain the possible effect on your results of the following experimental errors or variations. a) you added only enough 3 M H2SO4 to bring the pH down to 4. b)your reaction mixture had
What are the Distillation ranges and Retention times of Acetone, 2-butatnone, 2-pentanone, and 2-hexanone
The endpoint of the titration is surpassed. How will this techinque error affect the reported percent avilable chlorine in the bleach sample- too high or too low. Explain.
Sulfuric acid is mixed with aqueous sodium hydroxide to produce water and sodium sulfate. Liquid C6H12 is burned in air.
what is the representation of the transitition state for the rate determing step in the reaction of tert-butyl alcohol with HBr
identify the species formed in the first step in the acid-catalyzed dehydration of 1-Methylcyclohexanol
which of the following alcohols undergoes dehydration at the fastest rate on being heated with sulfuric acid? a) 1-Butanol b)2-Methyl-1-butanol c)2-Methyl-2-butanol d)3-Methyl-1-butanol e)3-Methyl-
which group has the highest rank when precedence is assigned according to the Cahn Ingold prelog system
Rank the following organic molecules from lowest to highest boiling point. Use the letters A, B, C to identify each molecule in the list and use the appropriate <, =, or > symbol to separate s
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0011% Pb by mass. How much of the water (in mL) contains 150 mg of Pb. The density of the sol
Another Reaction, A -> Products, is a first order reaction. An experiment was performed at 25C which determined the rate constant is 0.015min^-1. THe activation energy of this reaction is +34.8kJ
Describe the effect that the following procedural changes would have on the percent recovery of acetanilide. Rather than adding 0.5ml portions of boiling solvent to acetanilide, student added 5ml po
For the Reaction CO(g) + Cl2(g) -> COCl2(g), the rate constant increases 1500 times when the temperature rises from 150C to 250C. Calculate the activation energy, in kJ/mol, for this reaction. As
Evaluate the change in z (i.e., z) in going from the point (0,0) to the point (1,1) for the differentials: (1) dz = (x^2 + y^2) dx + xy dy and (2) dz = xy dx + xy dy
Using the accepted ionic radius of the ammonium ion, NH4+, NH4Br is predicted to have a rock-salt structure with (6,6)-coordination. However, at room temperature NH4Br has a cesium-chloride structur
How much of this compound must be weighed to make 175.0 mL of a 0.15 M solution? How many mL of the 0.15 M solution should be diluted to prepare 150.0 mL of a 0.050 M solution
what product would you obtain after evaporation of the water from the sodium hydroxide layer before acidifying and filtering the layer
what volume in l of propane and water vapour must react to form 8,96 L of hydrogen according to the equation of the same temperature and pressure
The vapor pressure of water at 40.0 degrees celcius is 55.32 mmHg. Calculate the vapor pressure of a solution of 1.50m K2CO3 at this temperature (assume 100% dissociation)
Decide if the compound/ion listed can satisfy the octet rule (duet rule for H), if so choose Satisfies Octet Rule
How are the nf and ni values calculated for a Hydrogen Gas Discharge Tube's visible emission spectra
a burning candle produces a luminous flame. What is the fuel for the burning candle. Why is the flame luminous
Describe how you would make 2.35 g of a mixture of sand,clay and ash in the following percentages, respectively : 24.64%, 4.23%, and 71.13%
Gel filtration of the protein gave an estimated molecular weight of 85000 g/mol. How many His residues are in the protein