Chemistry, 24.04.2020 22:09 burntquesadilla
Given the equations A, B, C, and D:
(A) AgNO3 + NaCl → AgCl + NaNO3
(B) Cl2 + H2O → HClO + HCl
(C) CuO + CO → CO2 + Cu
(D) NaOH + HCl → NaCl + H2O
Which two equations represent redox reactions?
Answers: 2
Chemistry, 21.06.2019 19:00
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Chemistry, 22.06.2019 05:40
Salicylic acid is a very important acid. it is used to synthesize the aspirin by treating with acetic anhydride. a 0.2015-g sample of salicylic acid was dissolved in a 100.00-ml volumetric flask, and the solution was diluted to the mark. a 10-ml aliquot of this solution was titrated with standard naoh (0.01130 + 0.2% n) to a phenolphthalein faint pink color end point at 19.81 ml. (a) (calculate the normality of the salicylic acid solution used in the titration. (b) assuming the salicylic acid is pure, what is the equivalent weight of the salicylic acid? practice problems for the final exam (continued) (c) (calculate the inherent error in the determination of the equivalent weight you calculated in part (b). use the following absolute errors in the equipment /glassware when calculating the inherent error. 5.00-ml pipet: + 0.02 ml 100-ml volumetric flask: + 0.08 ml analytical balance: + 0.2 mg 25-ml buret: + 0.03 ml
Answers: 2
Chemistry, 22.06.2019 06:20
If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution
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Chemistry, 22.06.2019 09:00
Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?
Answers: 1
Given the equations A, B, C, and D:
(A) AgNO3 + NaCl → AgCl + NaNO3
(B) Cl2 + H2O...
(A) AgNO3 + NaCl → AgCl + NaNO3
(B) Cl2 + H2O...
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