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Suggest a possible mechanism for the acid catalyzed reaction of a typical ketohexose to give 5-hydroxyfurfural.
What is the pKa for the acid HA if a solution of 0.65 M HA and 0.85 M NaA has a pH of 4.75?
Magnesium burns in oxygen gas to produce magnesium oxide. What mass of magnesium will react with a 0.25 L container of oxygen gas at 80oC and 770 mmHg?
What is the pH of 1.00 L of rainwater that has dissolved 5.47 mg of NO2? Assume that all of the NO2 has reacted with water to give nitric acid. list an example of a strong acid and write its balanced chemical reaction when placed in water.
For a zero order process, mathematically derive the first half-life equation involving the evaporation of fingerprints organics from the scene of a crime.
An unknown metal forms two different compounds with oxygen. When a 2.412 g sample of the metal is combined with oxygen, 3.466 g of Oxide A are formed. What is the cation charge for oxide A
The subsequent kinds of molecular interactions which one would not be involved in the binding of an enzyme to a substrate. a. covalent linkage b. hydrogen bonds
explain how you would maximize the yield of the corresponding Fischer esterification product while keeping costs down? Explain what issue(s) might occur if you tried to prepare an ester in the lab using trans-esterification?
When the actual pressure is 76.25 cm Hg the barometer reads 74.89 cm. What will the barometer read when the actual pressure is 73.27 cm of mercury
It required 71.5 mL of a 0.155 M KNO3 solution to fully react the copper in the ore sample. What was the percent copper in the ore.
Suppose that the microwave radiation has a wavelength of 13.2 cm. How many photons are required to heat 200. mL of coffee from 23°C to 62°C?
Calculate: (a) The partial pressure of each component. (b) The mass fraction of methane. (c) The average molecular weight of the gas mixture. (d) The density of the gas mixture in kg/ m3. write the steps please
Problem- Write correct fomulas for the following hodgepodge of coumpound; vanadium (V) fluoride, silicon tetrafluoride, lithium hypochlorite, iodine trifluoride, barium acetate dihydrate
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