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Explain a voltaic cell is constructed by immersing a strip of silver metal in a 1.0 M AgNO3 solution as well as a strip of cadmium metal in a 1.0 Cd(NO3)2 solution. If the circuit is completed by a wire and a salt bridge in the usual way.
Explain what would be the potential of the cell if it was modified to use a 0.10 M AgNO3solution and a 0.30 M Cd(NO3)2 solution instead?
what is the partial pressure of carbon dioxide in a container that contains 7.64 mol of oxygen 1.68 mol of nitrogen and
to obtain the same antifreeze protection requires 76 of propylene glycol to replace each 62 of ethylene glycol.
a buffer composed of .250 mol H2PO4- and .250 mol HPO4^2- diluted with water to a volume of 1.00L. the pH of the buffer is 7.210 how many moles of HCl must be added to decrease the pH to 6.700
This had to be done until the wash fluid that I removed after each wash registered as not acidic on a Congo red test paper. The product was then recrystallized, etc. What was the purpose of the wash. Why was it necessary to make the product less ac..
if the solubility of a gas is 7.5 gl at 404 kpa pressure what is the solubility of the gas when the pressure is 202
In the laboratory you dissolve 15.3 g of copper(II) iodide in a volumetric flask and add water to a total volume of 500 mL. What is the molarity of the solution
You are given the chemical reaction (unbalanced equation): AsF3 + C2Cl6 AsCl3 + C2Cl2F4, if 1.3618 mol of AsF3 are allowed to react with 1.000 mol of C2Cl6, what would be the theoretical yield of C2Cl2F4, in grams?
Given that the radius of the O2- ion is about 140 pm in most oxides, calculate the radius of Mg2+, in pm. Your solution should include a sketch one face of the unit cell of MgO to show how the edge length of the unit cell is related to the ionic r..
A gas in a canister with a volume of 2.0L at 1.0 atm and 21.0 degrees C is transfered to a smaller container with a volume of 0.75L under 2.0 atm pressure. What is the temperature of the gas under these new conditions
One in which an electron moves from the second shell to the third shell or an otherwise identical atom in which an electron moves from the first to the third shell
lead(II) sulfide was once used in glazing earthenware. It will react with hydrogen peroxide to form lead (ii) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265g of lead(ii) sulfide?
What is the alkalinity of the river, What concentration of acid, for example, HCl, would result in a pH of 7.5
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