Chemistry, 16.11.2019 06:31 robertbyrd2017
A50.0 ml solution of 0.194 m sulfurous acid ( h2so3 ) is titrated with 0.194 m naoh . the pka values of sulfurous acid are 1.857 ( pka1 ) and 7.172 ( pka2 ). calculate the ph at the first equivalence point. ph = calculate the ph at the second equivalence point. ph =
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Silica, sio2, is formed on silicon as an electrically insulating layer for microelectronic devices. silica is formed when silicon is exposed to o2 gas at an elevated temperature. at 900˚c, it takes 90 minutes for the oxygen to diffuse from the surface to form a 0.06 micron (0.06 x 10-6 m) thick layer of sio2 on
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Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?
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A50.0 ml solution of 0.194 m sulfurous acid ( h2so3 ) is titrated with 0.194 m naoh . the pka values...
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