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The hydrolysis(addition of water) of an ester is called saponification and is a reversible reaction. What kind of experimental conditions do you think you would need in order to carry out the reverse reaction. (The preparation of ester from an acid and alcohol)? Hint: Remember every reaction is an equilibrium.
solution of ephedrine was determined with a pH meter andwas found to be 10.70. Calculate the pKb for ephedrine.
Explain how these products are produced by showing the mecahnism involved. (draw).
What is the empirical formula of a compound which contains only colbalt and oxygen. if an 8.29 grams sample of the compound contains
What is the percent yield for iron if the reaction of 65.0 of iron(III) oxide produces 45.0 of iron if Iron(III) oxide reacts with carbon monoxide to produce iron and carbon dioxide.?
Look up the molar mass and the density of 2-chloro-2-methylpropane in a reference book such as The Merck Index. Calculate the number of moles of HCl that are produced by complete hydrolysis of 1.0 mL of 2-chloro-2-methylpropane.
What is the value of rate constant k? b.) What is the half life of the reaction? c.) What concentration will remain after 25 minutes?
Tripeptide Protein: Acidic, Basic, or Neutral? Alanine has an R-group structure of CH3, cysteine has an R-group structure of HS-CH2, and aspartic acid has an R-group structure of HOOC-CH2
determine the concentrationof the original HCl acid solution in units ofa) Molarityb) Percent by mass (Hint: refer to Skill Builder 6 to see the relationship between molarityand percent mass units
If a chemical reaction occurs at a rate of 2.25 * 10-2 moles per liter per second at 322 K, what is the rate expressed in moles per liter per minute?
a solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.
The inventor proposed the revolutionary design of the new engine based on the heat stored in the ocean. The inventor plan is to mount it on a boat in San Francisco and set off on a journey across the Pacific Ocean.
On a cold dry morning after a frost, the temperature was -5C and the partial pressure of water in the atmosphere fell to .30 kPa. Will the frost sublime? What partial pressure of water would ensure that the frost remained?
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