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a) If one of the electrodes is Al (suspended in a 1 M Al3+ solution), and the volt meter reads 2.00 volts, what is the identity of the other solid metal electrode? Copper b) Select all the TRUE statements. The K1+ in the salt bridge migrates to the right. Al is the cathode The K1+ in the salt bridge migrates to the left. Oxidation occurs in the cathode. Al is the anode. Oxidation occurs in the anode.
Why do Br And I interfere with the NO3 test? Explain fully using bromide as an example, including equations. 3. Explain why an excess of Fe2+ is necessary for the NO3 test.
You are asked to prepare a buffer with a pH of 9.8. Calculate the volumes of .1 M solutions of NH4Cl and NH3 needed to produce 200mL of the buffer
An essential amino acid is one that you cannot make at a rate consistent with the normal growth and maintenance, which of the following sets consists of only essential amino acids
An aqueous solution containing 5.0 g of solute in 100 ml is extracted w/three 25 ml portion of diethyl ether. What is the total amount of solute
could 131g of xenon gas in a vessel of volume 1.0dm^3 exerts a pressure of 20 atm at 25C if it behaves as a gas? if not what pressure would it exert? (b) what pressures would it exert if it behaved as a van der waals gas?
Give the formula of the compound formed from the following elements. (Type your answer using the format CO2 for CO2.) (a) sulfur and cesium (b) sulfur and barium (c) rubidium and bromine
Draw the potential unwanted byproduct in the reaction of cyclohexanol with sulfuric acid and aqueous sodium bromide.
How would you calculate the pH of a mixture made from adding 20.0 g of NaCH3CH2COO and 20.0 g of CH3CH2COOH to 100.0 mL of 0.10 M HCl.
the idea of using the pressure at the bottom of the naoh tank to drive the flow of NAOH to where it will join the HCL
What is the purpose of the sodium bisulfite? If bisulfite is oxidized to sulfate
what is its empirical formula. A 0.2000 gram sample of a compound (vitamin C) composed of only C, H, and O is burned completely with excess O2 . 0.2998 g of CO2 and 0.0819 g of H2O are produced. What is the empirical formula?
If you prepared a solution by adding equal numbers of moles sodium sulfite (Na2SO3) and sodium hydrogen sulfite (NaHSO3) to 50 mL water, what would be the pH of the solution?
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