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The standard reduction potentials of the X1+/X and Y3+/Y couples are 0.23 V and -0.28 V, respectively. What is the cell potential (to the nearest 0.01 V) of the galvanic cell constructed from the two couples if [X1+] = 0.213 M and [Y3+] = 0.0100 M? Hint: you may wish to write a balanced equation for the reaction.
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
Predict whether a precipitate will form in the following experiments. write down the associated balanced chemical equations for the formation of the precipitate.
determine the amount of ascorbic acid? Does the volume of ascorbic acid solution added before titration influence how much iodine solution will be needed?
4.5 L of Mg(OH)2 solution was titrated with 5.03 mL of 0.200 M HCl. Calculate the the molarity of Mg(OH)2 solution and the ksp.
what will be the final temperature in degrees Celsius If the volume of a gas container at 32.0°C changes from 1550 mL to 755 mL,?
Use tabulated half-cell potentials to calculate Delta G(rxn) for each of the following reactions at 25 degrees Celsius. MnO2(s)+4H(aq)+Cu(s)--->Mn2+(aq)+2H2O(l)+Cu2+(aq)
Four hundred kg/h of Steam from a low pressure turbine at 12.5 atm. and 250 C goes into a feed water heater which preheats the water entering the economizer in a boiler. The steam is comes out of the feed water at 200 C. The water at a flow rate o..
What is partial pressure of O2 in atmospheres? What is the partial pressure of Ne in atmospheres?
Calculate the pH and the percent ionization of butanoic acid in this solution. *I will only award points if a solution is presented. What good does just the answer do for me?
given the following equation what volume of hydrogen gas h2 is released at stp conditions by the action of 8.18 g of
The use of phenols such as tert-butylcatechol as free-radical scavengers is based on the fact that phenolic hydrogens are readily abstracted by radicals
Calculate the molarity of S2O32- if 3.0 mL 0.10 M K2S2O8, 2.0 mL 0.10 M K2SO4, 1.0 mL 2% starch, 2.0 mL 0.010 M Na2S2O3, and 5.0 mL 0.20 M KI are mixed.
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