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A voltaic cell is based on the reaction between Ag+(aq) and Ni(s), producing Ag(s) and Ni2+(aq). Write the anode and cathode half-reactions. Include all phases of all species in the chemical equation, then write a balanced cell reaction, including phases of all species in the chemical equation.
Sample size is given as 10 grams - you need to measure weight since many of the materials contain solids as well as liquid. Identity and expected concentration of ingredient to analyze?
Calculate the pH at the equivalence point in the titration of 68 mL of 0.10 M methylamine (see Table 15.4) with a 0.20 M HCl solution.
What is the pH of a solution obtained by mixing 139 mL of KOH with a pH of 12.66 and 293 mL of Ba(OH)2 with a pH of 11.79. Assume that volumes are additive.
Does either country have absolute and/or comparative advantage in any product?Provide support for your answer by computing the opportunity costs for both products in bothcountries.
Describe in brief the risk connected with solutions of 1M NH 3 , 1M HCl, and 1M NaOH?
Octane has a density of 0.692 g/mL at 20 C. How many grams of O_2 are required to burn 1.50 gal of C_8H_18?
Find the temperature at which Kp=41.0 for the reaction H2(g)+I2(g) 2HI(g). [Given: at 25 degrees C, for H2(g), deltaH degrees F=0, S degrees=131.0 J/mol*K; for I2(g)
The oxidation of o-dianisidine (o-DIA) occurs in a nernstian 2e reaction. For a 2.27 mM alution of o-DIA in 2 M H2S04 at a carbon paste electrode of area 2.73 mm" with a scan rate of 0.500 V/min. ip = 8.19 uA. Calculate the D value for o-DIA. What..
What factors can effect retention time. What factors might I change and how to increase the retention time of a polar compound
A gas bottle contains .650 mol of gas at .961 atm pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle.
When 5.00g of LiCl is added to 100g of water the temperature of the water was found to increase by 9.94*C. Calculate the molar enthalpy of solution for LiCl. Assume the specific heat of the mixture is 4.18 J/g*C.
Silver chloride will precipitate out of solution, leaving an unsaturated solution of AgCl. D) Nothing will happen since NaCl and AgNO3 are both soluble compounds.
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