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. Acid catalyzed dehydration-condensation reactions of carboxylic acids and alcohols produce chemicals called
esters.
i. Using carbon skeletal notation, write the dehydration-condensation reaction that occurs between ethanol
and butanoic acid.
ii. What is the name of this ester?
What is the mass of 5.45 x 10 -3 moles of glucose (C 6H 12O 6)?
When copper is heated with an excess of sulfur, copper(I) sulfide is formed. In a given experiment, 1.50 g of copper was heated with excess sulfur to yield 1.53 g copper(I) sulfide. What is the percent yield?
A 37.4 mL sample of H2 at STP would contain how many grams of hydrogen?
When solid barium hydroxide is mixed in a beaker with solid ammonium thiocyanate, a reaction occurs. The breaker get very cold. Is the reaction endothermic or exothermic?
What weight of NaCl in 800g acetone is needed to bring boiling point to 60°C? (Boiling
point of pure acetone= 55.95°C ; Kb of acetone = 1.71 °C/m)
Name of ester formed by methanol and ethanoic acid
Calculate the molarity of a sucrose solution made by dissolving 22.61 grams sucrose into water given 969.4 mL of solution.
Assuming equal concentrations, arrange these solutions by pH. Highest Ph to lowest Ph.
Ca(OH)2(aq) NH3(aq) HCN(aq) LiOH(aq) HCl(aq)
Enough of a monoprotic weak acid is dissolved in water to produce a 0.0133 M solution. The pH of the resulting solution is 2.38. Calculate the Ka for the acid.
