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In the laboratory, a general chemistry student measured the pH of a 0.327 M aqueous solution of quinoline, C9H7N to be 9.139.
Use the information she obtained to determine the Kb for this base.
Kb(experiment) = ?
Classify each reaction and give the name of all the chemical formula involved for each number
calculate the molalities of the following aqueous solutions.a 1.40 m sugar c12h22o11 solution density of solution 1.12
Determine the theoretical and percent yields of ethanol if 684g sucrose undergoes fermentation and 349g ethanol is obtained?
a student begins with 5.00 mL of acetic anhydride and 2.08 g of salicylic acid. Once the reaction is complete, the student collects 2.01 g of aspirin
Iron is obtained commercially by the reaction of hematite (Fe2O3) with carbon monoxide. How many grams of iron are produced if 25.0 moles of hematite react with 30.0 moles of carbon monoxide?
Present your strategy and detailed mechanism how you prepare2-chloro-3-nitrotolune starting with benzene. Demonstrate the sequequence of steps and appropriate reagents providing detailed mechanism of each process
The concentrationof the alkane C20H42 (FM= 282.55) in a particular sample in rain water is 0.2ppb. Assume that the density of the rain water is close to 1.00 g/ml and find the molar concentration of C20H42.
As2O3(s) + NO3-(aq) --> H3AsO4(aq) + N2O3(aq) (acidic solution) what is the oxidizing and reducing agent?
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)
Calculate the theoretical volume of the hydrochloric acid solution prepared in lab needed to neutralize. The mass of strontium hydroxide octahydrate.
Write three reactions for the oxidation of pyrite and explain how these can result in the production of acid waters that are enriched in trace metals and metalloids.
Calculate the pH at the equivalence point in titrating 0.110 M solutions of each of the following with 8.0×10-2 M NaOH.
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