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When Dr. Farrell was a graduate student, he once made up a pH 8.0 sodium acetate buffer. Why would the casual observer to this buffering faux pas come tot eh conclusion that he had the intellectual agility of a small soap dish?
In an expriment, a student burned this compound in an excess of oxygen and found that it evolved 3651 KJ of hea per mole of P4S3 at a constant pressure of 1 atm. she wrote the following thermochemical equation: P4S3(s) + 8O2 (g) --> P4O10(s)+3SO2...
Most electrical energy in the United States is generated in large-scale power cycles through conversion of thermal energy to mechanical energy, which is then converted to electrical energy
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.
A 35.00 mL solution of 0.2500 M HF is titrated with a standardized 0.1356 M solution of NaOH at 25 C.
List possible manipulation errors that might contribute to the following errors in results
Atomic absorption spectrometry was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream
the equilibrium constant for the following reaction has the value 2.1103 at a particular temperature.h2g f2g 2 hfgwhen
How do the requirements that t and v are constant enter the derivation for delta Asys
Assuming that 0.5 grams of a 1.0 gram sample is CaCO3, what should the concentration of HCl (M) be if you want to use 25.0 mL for the titration
question covalent modification of enzymes is an important means of regulation. explain the steps by which
She then took 15.0 mL of the stock solution and diluted it with enough water to make 65.0 mL of a final solution. What is the concentration of KOH for the final solution.
The self-amplifying reaction in which neutrons produced by the fission of one nucleus would induce fission in other nuclei is called
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