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A copper, Cu(s), electrode is immersed in a solution that is 1.00 M in ammonia, NH3, and 1.00 M in tetraamminecopper(II), [Cu(NH3)4]^{2+}. If a standard hydrogen electrode is used as the cathode, the cell potential, Ecell, is found to be 0.059 V at 298 K.
Half reaction of Cu = .337 V
Half reaction of H = .000 V
2.0 moles of a nonelectrolyte solute are added to 1.0 kg of an unknown solvent. The freezing point is depressed by 7.9 K. Calculate the molal freezing point constant (Kf?) for this solvent.
in the organic chem we prepared soap by using tallow and sodium hydroxide. after keep checking the regular 6 weeks of
Predict the major and minor products of the following reaction.
Identifying Food Groups and Calculating Calories, Question: If one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein
a.) Can you be certain that the organic layer would from the upper layer? Eplain in details. b.) How could you test to determine which is the non aqueous layer? Explain in details.
the reaction 2ararrbc has a kc of 0.2. the reaction is commenced with initial con- centrations a 0.2 m b 0.2 m and c
Calculate the volume the gas will occupy if the pressure is increased to 1.87 L while the temperature is held constant.
At a certain temperature, the pH of a neutral solution is 7.45. What is the value of Kw at that temperature
Both (E)- and (Z)- 2-cholorobutenedioic acids dehydrochlorinate to give acetylene dicarboxylic acid. The Z acid reacts about 50 times faster than the E acid. Explain.
A sample of indium chloride weighing 0.5000g is found to contain 0.2404g of chlorine. What is the empirical formula of the indium compound
What would be the best indicator for the titration of 0.20 M CH3COOH titrated with 0.2 M NaOH? (Ka for acetic acid = 1.8 X 10-5) The pH ranges for the color change of some common acid base indicators are given below
Explain how you would prepare 500.0mL of a solution that is 0.100M H2SO4 from concentrated 18.0M H2SO4, which is a liquid density 1.82 g/mL.
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