Carbon dioxide (CO2) is readily soluble in water, according to the equation CO2 + H2O ↔ H2CO3. Carbonic acid (H2CO3) is a weak acid. If CO2 is bubbled into a beaker containing pure, freshly distilled water, which of the following graphs correctly describes the results?

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#Question id: 19465

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

In microscopy histological samples are often stained with which basic dye

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#Question id: 19483

#Section 4: Fundamentals of Biological Engineering

Propane (C₃H₈) burns in this reaction:

C₃H₈ + 5O₂ = 4H₂O + 3CO₂

If 200 g of propane is burned, how many g of H2O is produced?

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#Question id: 19484

#Section 4: Fundamentals of Biological Engineering

Estimate the degree of reduction of Methane, Glucose and Ethanol?

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#Question id: 19485

#Section 4: Fundamentals of Biological Engineering

The growth of S.cerevisiae on glucose under anaerobic conditions can be described by the following reaction:

C₆H₁₂O₆ + aNH₃ → 0.59 CH1.64N0.16O0.52 (biomass) + 0.43 C3H8O3 + 1.54CO2 + 1.3C2H5OH +0.036H2O

Determine the biomass (MW= 23.74) yield coefficient Yx/s

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#Question id: 19486

#Section 4: Fundamentals of Biological Engineering

The growth of S.cerevisiae on glucose under anaerobic conditions can be described by the following reaction:

C₆H₁₂O₆ + aNH₃ → 0.59 CH_1.64N_0.16O_0.52 (biomass) + 0.43 C₃H₈O₃ + 1.54CO₂ + 1.3C₂H₅OH + 0.036H₂O 

and determine the product yield coefficient Y etoh/s and determine coefficient a.

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#Question id: 19487

#Section 4: Fundamentals of Biological Engineering

What is the yield coefficient if the initial substrate concentration is 20 g/l and biomass is 0.2 g/l. The substrate is then consumed and produces 6.0 g/l of biomass?