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1. What is the general rule for PREDICTING solubility?
2. Why is it better to do two smaller extractions with methylene chloride than one big extraction?
In the hydrogenation of ethylene using a nickel catalyst, the initial concentration of ethylene is 2.00mol?L?1 and its rate constant (k) is0.0020mol?L?1?s?1. Determine the rate of reaction if it follows a zero-order reaction mechanism.
Derive the second order integrated rate law and half-life equation showing all relevant mathematical steps.
Starting with the standard free energies of formation from the following table, calculate the values of delta G and E cell of the following reactions.
Presume that we have a mixture of N2 (g) and O2 (g) of unknown composition whose total pressure is 385torr. If all the oxygen as is distant from the mixture by reaction with phosphorus, which doesn't react directly with nitrogen, subsequently the ..
use the concept of electron configurations to explain why the number of alence electrons in metals tends to be less then the number in most nonmetals.
Consider 4.40L of a gas at 365mmHg and 20degrees C . If the container is compressed to 2.60L and the temperature is increased to 30 degrees C , what is the new pressure, P2, inside the container? Assume no change in the amount of gas inside the cy..
Treatment with chymotrypsin, which cleaves on the carboxy side phenylalanine gave only the tetrapeptide. What is the amino acid sequence for this tetrapeptide?
A drop of concentrated hydrochloric acid (12M) falls into a pond containing 3x105L of pure H2O. Presuming the volume of a drop is .25mL explain what is the pH of the pond after the acid is added
The two-wire unit is placed in a uniform magnetic field of magnitude 0.400 T such that the angle between the direction of I1 as well as the magnetic field is 68.5°. While we don't know the current in wire 2, we do know that it is smaller than the..
Why are the steps of scientific methods are not always used in the same order in every investigation
The ionization constant of chloro acetic acid is 1.35*10-3. Explain what will be pH of 0.1M acetic acid and its 0.1M sodium salt solution
the mineral fluorite is composed of CaF2. the molar solubility of calcium fluoride in water is 2.1x10^-4 moles/L. what is the ksp of CaF2
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