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Explain what the recation mechanism looks like between an aldehyde and iodoform, an ester and iodoform, as well as an aromatic acid with iodoform.
With a value of Ka = 2.69*10^-4 and initial pH = 3.57 of the solution, what would the intial concentration of this acid
A student wanted to determine the molar concentration of acetic acid in a commercial vinegar sample. He used a volumetric pipet to deliver 3.00 mL of vinegar to an Erlenmeyer flask, added about 30 mL of water and 3 drops of phenolphthalein indicat..
gold forms a substitutional solid solution with silver. compute the number of gold atoms per cubic centimeter for a
Observe while adding 0.5 mL of 6M HCl to 1 mL samples of the anion solutions and then add 5 drops of 0.1M barium nitrate and observe again.
For the molecular fragments given below indicate the multiplicity and relative intensities of the peaks that would be produced by the bold-faced hydrogen atoms in a 1H nmr spectrum
What is the positional entropy at absolute zero for two moles of CF3Cl?
This molecule has a charge of n-. By changing the overall charge, n, from 1- to 2- to 3- we get three different polyatomic ions. For each of these ions a) identify the central atom and b) determine the formal charge of the central atom, X.
A gas expands and does P-V work on the surroundings equal to 259 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
A 1.00-mol sample of an ideal monatomic gas is compressed isothermally and irreversibly in one step from 2.50 atm to 6.50 atm at 300.0 K. Calculate G for this process
If a reaction has Ea=+40.0 kJ/mol and is run at room temperature (298 K). At what temperature will the rate be twice the rate at room temperature
The fuel value of hamburger is approximately 3.6 kcal/g.if a man eats 1 pound of hamburger for lunch and none of the energy is stored in his body,estimate the amount of water that would have have to be lost in perspiration
Consider 20.0 moles of CO2 in a 1.0 liter container at 300.0 K. What is the pressure predicted by the van der Waals equation.
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