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Ethyl alcohol, C2H5OH, is a fermentation produce of sugars in the presence of enzymes. How much glucose, C6H12O6, would you need to start with to prepare 4.6 x 104 kg of ethyl alcohol if the yield in the reaction is 64.5%? The equation for this reaction is C6H12O6 + 3O2 ? 4CO2 + C2H5OH + 3H2O
Why is it not possible for the molar mass of a monoprotic acid to have a value less than 1g/mol
Compare the amount of cooling experienced by an individual who drinks 400mL of water (0 degrees C) with the amount of cooling experienced by an individual who sweats out 400 mL of water at 37 degrees Celsius. Assume all sweat evaporates.
Assuming the same calorimeter constant you determined (I got 217.8 J/degreesC) and assuiming NaOH is the limiting reagent, what is delta H(neutralization) in kJ/mol?
The empirical formula of a compound is found to be P2O5. Experiments show that the molar mass of the compound is 560g/mol. What is the molecular formula of the compound?
If a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30 mL 0.4 M CH3COOH, calculate the pH of the solution? For acetic acid, K = 1.76 x 10-5
What would be the pH of a citrate buffer composed of 0.35 M citric acid (HCit) and 0.25 M sodium citrate. The Ka of citric acid
A tank having a volume of 1000 ft3 contains 22 lb of CO2, 46 lb of O2 and 154 lb of N2. What pressure will be indicated by a pressure gage attached to the tank if the gas is at ambient temperature (80°F)
What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction with 100 mL of hexanes? What weight of A would be removed by four successive extraction with 25-mL portions of hexanes?
The fathom was originally defined as the length of man's outsterched. it is now defined as 6.00 ft. calculate a resoanble estimate of the surface are of an adult humman' body in fathom.
How many milliliters of N2 (measured at 0.740 atm and 100. °C) could be formed if the following reaction occurs?4NH3(g) + 3O2(g) 2N2(g) + 6H2O(g)
Condensation polymers are made using a monomer with two functional groups which split off as the remainder of the two monomers are joined together. Often the small molecule eliminated in the process is water
Write a structural formula and a line-angle formula of each isomer of C4H8. Do not include any cyclic structure. Write the IUPAC name of each isomer. Make sure to include the cis- or tran- in the name if applicable.
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