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An Ecell consists of a Ag electrode in contact with 346 mL of 0.1 M silver nitrate solution and a Mg electrode in contact with 288 ml of a 0.1 M Mg(NO3)2 solution now you just need to calculate the value for E for the cell at 25 the temperature of twenty five degree Celsius and also compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
The following choices list some common laboratory solvents. In which of these solvents would LiCl be the LEAST soluble
For the acid-base titration combination of NaOH with 1.5 mol HCl, find the number of moles of NaOH that would be the chemically equivalent amount of HCl. Answer in units of mol.
find the formula of a compound using stoichiometry and ideal gas equation.a quantity of 0.225 g of a metal m molar
calculate the pH and concentration of all species present assuming that the activity coefficients are equal to 1.0 for all species
Calculate the concentration of SCN- present in the Hg22+/Cu+ solution when the first (initial) cation begins to precipitate, and the concentration of SCN- present in this solution when the second (final) cation begins to precipitate
Nitromethane CH3NO2) burns in air to produce significant amounts of heat. 2 CH3NO2(l) + 3/2 O2(g) --> 2 CO2(g) + 3 H2O(l) + N2(g). delta H^0 reaction = -1418 kJ
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 14.0 g of luminol to creating a solution with a total volume of 75.0 mL.
Calculate the volume the gas will occupy if the pressure is increased to 1.87 while the temperature is held constant.
An environmental chemist obtained a 200 mL sample of lake water believed to be cntaminated with a single monoprotic strong acid.
A vitamin tablet contains 501 mg of vitamin C (C6H8O6). How many vitamin C molecules are contained in the tablet?
Compute the wavefunction and the probability to tunnel, for a proton in the potential: V(x)=0, when x 0.00 nm, and V(x)=2.0*10-19 J otherwise.
The solubility of air in water is approximately 2.1 x 10^-3 M at 20 degrees C and 1.0 atm. Calculate the Henry's lay constant for air. Also, is the K(H) value of air approximately equal to the sum of the K(H) values of N2 and O2 because these two ..
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