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Using appendix C compare entropies at 25 degrees C for the following pairs of substances. For each pair, explain the difference in the entropy values.a.) CuO(s) and Cu2O(s)b.) 1 mol of N2O4(g) amd 2 mol NO2(g)c.) CH3OH(l) and CH3OH(g)d.) 1 mol PbO(s) plus 1 mol CO2(g) and 1 mol PbCO3(s)
The nitrite ion (NO2-) is commonly determined by a colormetric procedure using a reaction called the Griess reaction. Im this reaction the sample containing nitrate is reacted with sulfanilimide
A 1.07 g sample of a Noble gas occupies a volume of 363 mL at 35°C and 678 mmHg. Identify the Noble gas in this sample? A) He B) Ne C) Ar D) Kr E) Xe
This solution was back-titrated with a 0.0440 M Ga3 solution until all the EDTA reacted, requiring 12.0 mL of the Ga3 solution. What was the original concentration of the V3 solution?
an archeologist unearths a skeleton of a mastodon. analysis shows the skeleton to a carbon-14 activity of 2 cmp counts
chemistry of proteins and hemoglobin.1. protein a has a binding site for ligand x with a kdof 10-6m. protein b has a
copper has a specific heat of 0.092 calgmiddotdegc. when 52.7 cal of heat is added to a piece of copper the temperature
68.0 ml of a 1.70 m solution is diluted to a volume of 258 ml. determine the final concentrationif a 129 ml portion of
What is the smallest amount of CuO (in moles) that would establish the equilibrium?
Calculate the change in Gibbs free energy for each of the following sets of delta H, delta S and T. Predict whether or not the reaction will be spontaneous at temperature indicated.
the tip of a vinegar buret but disappears during the course of the titration, how would this affect your calculation of the concentration of acetic acid
The total (inner + outer) chloride content of a second sample, weighing 0.2222 g, are titrated with 40.00mL of 0.1000M \(AgNO_{3}\) What is the ratio of moles of total chloride to mass of complex
a sample of gas with an initial volume of 33.0 l at a pressure of 765 mmhg and a temperature of 325 k is compressed to
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