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A half-cell that consists of a copper wire in 1.00 M CuNO3 solution is connected by a salt bridge to a half cell containing a 1.00 M X(II) acetate solution and an electrode of metal X. The voltage of the cell is 1.37 V, with metal X as the positive electrode. Calculate the standard reduction potential for the X half-reaction. The standard reduction potential of the copper half-reaction is 0.52 V. (Hint, write the half-reactions and the overall chemical equation for the spontaneous reaction.)
orbits around a definite point in space made of neutrinos and electrons D) is not a definite point in space, but rather it is a cloud of smaller particles called quarks that deflect alpha particles
Elemental sulfur reacts with oxygen and water to produce Sulfuric acid in the presence of a catalyst. What minimum mass of sulfur is needed to prepare 175g of sulfuric acid
When the one ore lead (ii) sulfide burns in ixygen, the products are lead (ii) oxide and sulfur dioxide A. How many grams of oxygen are required to react with 0.126 mole lead (ii) sulfide?
consider the titration of a 26.0 mL sample of .175M CH3NH2 with .155M HBr. Determine each of the following. 1) the initial pH 2) the volume of added acid required to reach the equivalence point
The evaporation of water H2O(l) ->H2O(g) is endothermic: Change in T degree +44.01 kJ Determine the minimum mass of water (in ) has to evaporate to absorb 183 joules of heat?
Equilibrium constant from standard potential data, Calculate the equilibrium constants of the following reactions at 25°C from standard potential data
what is the partial pressure of argon? If the two flasksare connected through a stopcock and the stopcock is opened, whatis the total pressure?
Using the inverse square law of radiation, what Geiger counter reading would you get for a radioactive material when you are 3 feet from the source
A 25.0 mL sample of 0.150M hydrocyanic acid is titrated with a 0.150M NaOH solution. What is the pH before any base is added? The Ka of hydrocyanic acid
calculate the potential of a platinium electrode immersed in a solution prepared by mixing 25.00ml of 0.0918 M SnCl2
Deduce the structure of the molecule that is composed of carbon, hydrogen and oxygen with a MS molecular mass peak value of 100 and molecular peak values of m/z = 29, 43, 57, 71, 100
A sample containing 2.40 moles neon gas has a volume of 8.00 L. Assume that the pressure and the temperature remain constant.What is the new volume of gas in liters when a leak allows one-half of the neon atoms to escape?
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