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In the anaerobic fermentation of grain the yeast Saccharomyces cerevisiae digests glucose from plants to form the products ethanol and propenoic acid by the following overall reactions:
Reaction 1: C6H12O6 --> 2C2H5OH + 2CO2
Reaction 2: C6H12O6 --> 2C2H3CO2H + 2H2O
In a batch process, a tank is charged with 4000 kg of 12% glucose/water solution at 56°C and 1.2 atm pressure. After fermentation 120 kg of carbon dioxide are produced together with 90 kg of unreacted glucose. What are the weight percents of ethyl alcohol and propenoic acid remaining in the broth? You may assume that none of the glucose is assimilated into the bacteria.
Effects of substituents on the acidity of phenols: Existence of electron attracting group, (for example -NO 2 , -X, - NR + 3 , -CN, -CHO, -COOH) on the benzene ring increases
what is hydrogen?
Q. Name the various steps required for making water suitable for domestic use. Ans. Treatment process for domestic use S . No . Process use for tr
Q. Taste interactions affecting taste quality? Taste interactions- Foods contain a mixture of substances which elicit all four sensations. Modification of one sensation takes p
Name the chief ore of silver. Explain with chemical equations the extraction of silver from this ore.
PFEFFER METHOD
Why does NO2 dimerise? a) Give an example of linkage isomerism. b) A solution of KOH hydrolyses CH3CH2CH2CH2Cl and CH3CH2CH2Cl. Which one of these is more easily hydrolysed?
what are boilers troubles?how to reduce them?
Anomolous behaviour of beryllium
The nucleus of tritium contains: (1) 1 proton + 1 neutron (2) 1 proton + 3 neutron (3) 1 proton + 0 neutron (4)1 proton + 2 neutron An
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