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Problem- An anaerobic digester is a biological reactor often used to treat wastewater sludges-liquids containing from 0.5% to 5.0% solids. If a digester has a bisulfide [HS-] concentration of 30 mg/L and a pH of 7.7, what is the partial pressure of hydrogen sulfide in the digester gas? Hint: Calculate the H2S(aq) concentration and then use Henry's law. pKa=7.1 for and Henry's law constant for hydrogen sulfide: 0.102 mol/(L•atm). Atomic mass of S: 32 g/mol.
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Differentiate between the spectral features in the MS, CNMR, HNMR and IR of benzoic acid and methyl benzoate
When a clear aqueous solution of calcium chloride (CaCl2) is mixed with a clear aqueous solution of sodium carbonate (Na2CO3), a white solid precipitate forms.
a .50 g sample of vegetable oil is placed in a calorimeter when the sample is burned 18.9kJ are given off what is the caloric value of the oil.
1) Why does a glycogen molecule have one reducing end?, From the abbreviated name of the compound galactosyl (alpha beta 1 -->1) glucose we know that,
Having trouble with a couple of study guide questions for Chemistry. Hoping someone can assist: PART 1: Calculate the pH of a buffer solution that is 0.250 M in HCN
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