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When a voltaic cell is constructed from a Ag aq (1.0 molL-1)/Ag (s) half-cell and a standard hydrogen electode, the cell emf is measured to be 0.80V, and the Ag(aq)/Ag(s) half-cell is found to be the cathode. When another cell is composed of a Ag(aq) 1.0 molL-1 Ag(s) half-cell and a Zn2+ (aq 1.0 molL-1)/ An (s) half-cell, the cell emf is measured to be 1.56 V, and the Zn2+ (aq)/Zn(s) half-cell is the anode. What is the reduction potential of the Zn2+ (aq)/Zn(s) half cell?
mt. kilimanjaro in tanzania is the tallest peak in africa 19340 ft.. on a particular day the barometric pressure at the
At what angle (in degrees) does first-order diffraction from layers of atoms 169.1 pm apart occur, using x rays with a wavelength
An aqueous solution contains 12.5% NaCl by mass. What mass of water (in grams)is contained in 2.5L of the vapor above this solution at 55 celcius? the vaor pressure of pure water at 55 celcius is 118 torr.
Write a balance chemical reaction showing that Ru2+ disproportionates in aqueous acid. calculate standard potential and the Gibbs Free Energy for the reaction.
what is the term for a substance that is capable of either accept or donate a proton in as which base reaction?
Bottled propane is used in areas away from natural gas pipelines for cooking and heating, and is also the source of heat in most gas barbecue grills. Propane burns in oxygen according to the following balanced chemical equation.
Correlate the molar mass, molecular size, and bond polarity of these three gases with the molar volume of a perfect gas. O2, Co2, and H2
the calculated H neutzn be higher, lower, or the same as the literature H neutzn? briefly explain this difference as a result of using only one graduated cylinder for the experiment
If 40.0 g acetylene is allowed to react with 40.0 g oxygen, how many grams CO2 are formed.
You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 20.0 mL of 1.00 M NaOH solution
How many grams of silver nitrate does it take to react completely with 7 mol Cu?
what is the volume of 1 mole of Helium gas when the pressure is 1.47 atm and the temperature is 287 K.
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