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In the anaerobic fermentation of grain, the yeast (saccharomyces cerevisiae) digests glucose from plants to form the products glucose from plants to form the products ethanol and propenoic acid by the following overall reactions:
C6H12O6 -> 2C2H5OH + 2CO2C6H12O6 -> 2 C2H3CO2H+ 2H2O In an open, flow reactor 3500 kg of a 12% glucose/water solution flow in. During fermentation, 120 kg of carbon dioxide are produced together with 90 kg of unreacted glucose. What are the weight percents of at the alcohol and propenoic acid that exit in the broth? Assume that none of the glucose is assimilated into the bacteria.
Uric acid dissociates as shown in the figure at the right with a pKa of 5.80, and can be treated as a simple monoprotic acid in this pH range. Its solubility in urine depends on the relative amount of protonated and unprotonated forms. A urine sam..
The concentration of the alkane C20H42 (FM 282.55) in a particular sample of rainwater is 0.2 ppb. Assume that the density of rainwater is close to 1.00 g/mL
Describe pH in Lewis terms. Review how to calculate pH if the concentration of an acid -pick one - is known.
given the following datamass of unknown metal carbonate 1.8500gmolarity of hcl solution 0.1789 mmolarity of naoh
Problem- The atmosphere is stable with a lapse rate of -0.2 degree C/100 m. The surfaces air temperature is 15 degree C. A parcel of air is released at the ground with a temperature of 25 degree C. Calculate the maximum mixing height in m. The Ans..
Consider that there is 26.38 g NaCl in a solution that has a total volume of 1,780 mL with a density of 0.8495 g/mL. A) What is the molarity of NaCl B) What is the mass/mass % C) What is the molality
If 55.0 mL of ethanol {rm{(density}} = 0.789;{rm{g}}/{{rm{mL}}})) initially at 9.0^circ C is mixed with 55.0 mL of water {rm{(density}} = 1.0;{rm{g}}/{{rm{mL}}}) initially at 28.1^circ C in an insulated beaker, and assuming that no heat is lost, w..
100.0 mL of 0.100 M acetic acid is placed in a flask and is titrated with 0.100 M sodium hydroxide. An appropriate indicator is used. Ka for acetic acid is 1.7 x 10^-5. AFTER 25.0 mL of NaOH is added, what is the pH in the flask at the following p..
A 15.0 mL sample of an acid requires 37.3 mL of 0.303N NaOH for neutralization. Calculate the normality of the acid.
Ethane C2H6 undergoes combustion according the following chemical equation: C2H6(l) + 7/2O2(g) ---> 2Co2(g) + 3H2O(l). Calculate delta H knot for this reaction. 1. -1560 kJ/mol 2. -11.230 kJ/mol 3. 22,040 kJ/mol 4. -420 kJ/mol 5. 420 kJ/mol
When numbers are very small or very large, it is convenient to either express the value in scientific notation and/or by using a prefix with the unit.
Suggest an experimental procedure that could be utilized to synthesize 1, 2-dimethylcyclopentene from 1, 2-dimethylcyclopentanol. Explain what minor product(s) might be expected by this method?
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