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What area at least two materials which are made up of polymers? Descrive in terms of the structure of the polymer and relate it to the properties of the product or material
(1) write the electron configuration of Co (III) (2) what is the geometry structure of this complex ion? Linear, Tetrahedral, Square planar or Octahedral. (3) predict the number of unpaired electrons in [Co(en) ] (4) draw the crystal field diagram..
Nitric acid is gernerated by the action of sulfuric acid on sodium nitrate. Nitrous acid is prepared by the action of hydrochloric acid on sodium nitrite. Why is nitrous acid prepared in situ rather than obtained from the reagent self.
Describe how the chemical characteristics, production methods, uses, and associated unique hazards of sulfur can affect the safety of an environmental health.
How can you prevent making a special occasion speech about you? How do you make it something a wider audience is interested in?
Question- Consider the following reaction: 3Fe(s) + 4H2O(g) ? Fe3O4(s) + 4H2(g). a. What are the apparent oxidation states of the Fe and O in the product? b. The Fe in the product is really in 2 different oxidation states, what are they? c. At exa..
Which metal would provide the worst protection for an iron pipe buried in the ground if attached to an iron pipe, Ag, Cu, Zn, Mg
palladium crystallizes with a face-centered cubic structure. it has a density of 12.0 gcm3 a radius of 138 pm and a
Calculate the pH after the following volumes of titrant have been added: 0 mL, 20 mL, 59 mL, 60 mL 61 mL 65 mL.
For supercritical carbon dioxide, predict the effect that the following changes will have on the effect that the following changes will have on the elution time in an SFC experiment.
calculate the number of molecules present in each of the following samples.
using a sample 10.21 mol of o2 is maintained in a 0.8129 l container at the temperature of 300.3 kelvin. calculated
Question- The pKa of benzoic acid is 4.2, whereas that of carbonic acid, H2CO3, is 6.4. On the basis of this information, would aqueous sodium bicarbonate be sufficiently basic to deprotonate benzoic acid? Explain your reasoning.
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