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A voltaic cell utilizes the following reaction and operates at 298 K:
3Ce4+(aq)+Cr(s)→3Ce3+(aq)+Cr3+(aq).
What is the emf of this cell when [Ce4+]= 2.5 M, [Ce3+]= 1.9×10-2 M , and [Cr3+]= 1.1×10-2 M?
What is the emf of this cell when [Ce4+]= .39 M, [Ce3+]= .77 M, and [Cr3+]= 1.3 M ?
After all the water is evaporated from 10.0 mL of a CsCl solution, 3.75 g of CsCl remains. Express the original concentration of CsCl solution in each of the following units.
Which of the following compounds will dissolve in (by reaction with) hydrochloric acid and will also dissolve in (by reaction with) an excess of 6 M NaOH solution
Why can NH3 function as a ligand with Ni^2+ While NH_4 + cannot function as a ligand with Ni^2+
Calculate the percentage ionic character of the interatomic bond for each of the following compounds: GaP, MgO, CsF, CsF, CdS, and FeO
calculate the density in (g/L) of CH3CH3 in a 1.00L sealed flask at 85 degrees celsius and 500mmHg
Using Le Chateleir's principle, explain the effect on teh cell potential of decreasing the Fe2+ ion concentration from 1.0M to 0.1M for each of the following reactions. The concentration of the other solution remains at 1.0M.
What is the volume occupied by 24.7g of argon gas at a pressure of 1.38atm and a temperature of 346K
n2o4 g lt----gt 2no2 gpure n2o4 was placed in a closed flash at 127 degrees celsius at a pressure of 4.38 x 10 -2
The figure below is a heat curve for an unknown outerspace substance discovered by the Mars rover. By understanding the heat curve, scientists can make inferences about the composition of the planet. What is the temperature of fusion, Tfusion, and va..
Is the best description of the t2g orbitals in [CoCN6]3- bonding, non-bonding, or antibonding? Explain your choice.
What is the ratio of enantiomers of 2-octanol in the product mixture? 55% (S) and 45% (R). However, I am not sure how to draw the structure of the major enantiomer produced in this reaction. Indicate the configuration of the stereogenic center usi..
The molar heat capacities of iron and gold are 25.19 J/(mol x degrees C) and 25.41 J/(mol x degrees C), respectively. What is the final temperature of the water and pieces of metal
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