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A student decomposes a 9.317 g sample of a compound containing only nickel and iodine. 1.245 g of nickel are precipitated out through experimental procedures. The empirical formula of the compound is:
A) NiI2 B) NiI3 C) Ni3I D) Ni2I
A 0.227 gram sample of bovine serum albumin is dissolved in water to make 0.113 L of solution as well as the osmotic pressure of the solution at 25 °C is found to be 0.749 mbar. Compute the molecular mass of bovine serum albumin.
What is the contribution to the internal energy from translations for an ideal montatomic gas confined to move on a surface? What is the expected contribution from the equiparyition theorm?
In air and according to Stokes Law, the settling rate of particles is proprotional to the squares of their diameters, if they have the same densities
how many grams of coniine would he have needed to ingest to give a 50% chance of causing his death? If Coniine is about 3.2% by weight of the hemlock leaves, how many grams of hemlock would need to be used to make the tea?
If the cell potential, Ecell, for the cell Al | Al3+ (1M) | Ni2+ ( ?M) | Ni is 1.35 V, what is [Ni2+]? Use the Nernst equation: Ecell = E0cell - (0.0592/n) log Q where the temp is 25 degress C, n is the number of electrons transferred in the net i..
What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.
believe that the spectrometer is picking up the amylase enzyme in this mixture but I am second guessing myself. Is that the molecule that is being detected by the spectrometer
If ammonia is obtained in 90% yield based on hydrogen, how many tons of hydrogen are necessary to produce 100 Mg of ammonia
Question- Common alcohols are usually less volatile than ketones when similarly sized molecules are compared. Why are the boiling points of 2-decanol and 2-decanone almost identical
Calculate the initial concentraion of [A]0 after 1698 seconds if [A]t=.1610M and k=9.93x10-6 s-1 =products is a first order process. If [A]0 =.9680M and [A]t =.2670m after 2031 seconds, what is the rare(with units) for this process
Calculate the minimum flow rate of the cooling water if its temperature rise is to be kept below 15°C. Briefly state what would have been different in your calculations.
Question- Last lab the topic was lipid content, professor gave us the Bluebird thick cut chips as sample, my group tested twice, the first result is 21.26% and the second one is 21.48%. So the mean is 21.37%. they are very close. But the maen valu..
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