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Fermentation is a complex chemical process of making alcohol by converting glucose into ethanol and carbon dioxide:
C6H12O6(s) → 2 C2H5OH (l) + 2 CO2(g)
- Calculate the mass of ethanol produced if 6.98 x 1025 molecules of glucose reacts completely.
- Calculate the volume of carbon dioxide gas produced at STP if 100.0 grams of glucose reacts.
A solution of vinegar is 4.78% by mass acetic acid in water. Assuming the density of vinegar is 1.00 g/ml, what is the molarity of acetic acid
Concentrated sulfuric acid (almost 100%) H2SO4 has a recognized density of 1.84 grams/cm^3. Based on this, calculate the molarity of this liquid.
A mass suspended on a spring is pulled down and released. It oscillates up and down as illustrated in Fig. 4.23. Assuming the total energy to be conserved, use the letter designations to identify the spring's position(s) as listed in Question 15. ..
What is the pH of a 0.125 M solution of the weak base B if (delta) H= -28.0 kj and (delta) S = -175 J/K for the following equilibrium reaction at 25 degrees C. B(aq) + H20 (l) BH+ (aq) + OH- (aq)
A solution is made by dissolving 716.2 g of H3PO4 to water as well as diluting to a total volume of 750 mL. Compute the pH, pOH and equilibrium concentrations of [H3PO4], [H2PO4], [HPO4 2-], and [PO4?
What percentage of the Sr-90 that was formed in the detonation of the first fission bombs in August 1945 is still present in the environment in August 2032?
232.5 ml of 0.0384 M aqueous manganese(III) oxide solution reacts with 1.058 g of solid octahedral sulfur (S8) and the water to give sulfurous acid and a manganese(II) oxide precipitate. You may assume no volume changes in the reaction from soluti..
What is the solubility in moles/liter for copper(II) iodate at 25 oC given a Ksp value of 1.4 x 10-7. Write using scientific notation and use 1 or 2 decimal places (even though this is strictly incorrect!).
What is the value of Keq for the reaction H2(g) + 1/2 O2(g)-> 1/2 H2O(l)?
What volume of 0.812 M HCl is required to titrate 1.45 g of NaOH to the equivalence point
Determine the mechanism for the synthesis of p-nitroacetanilide from acetanilide and HNO 3 , nitric acid and H 2 SO 4 sulfuric acid?
What is covalent bonding? why is it different from ionic bonds?
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