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1) A current of 4.72 A is passed through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 4.90 g of nickel?
2) What would the potential of a standard hydrogen (S.H.E.) electrode be if it was under the following conditions? [H+]=0.68M PH2=2.3 atm T=298K
3) Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Zn2 ] = 0.884 M and [Ni2 ] = 0.0150 M. Zn(s)+Ni^2+ à Zn^2+ (aq) + Ni(s)
Design a reaction scheme to synthesize pentylbenzene from benzene using a Friedel-Crafts acylation and any other reaction
what volume of a concentrated hcl solution which is 36.0 hcl by mass and has a density of 1.179gml should be used to
What scientific principle or law is used in the process of balancing chemical equations. Define the terms limiting reactant and excess reactant.
hawaiian macadamia nuts provide about 190 cal of energy usable from the digestion of these nuts per 1.0 oz serving. if
what precipitate would form if calcium chloride, 5% dextrose, 0.9% sodium chloride, and potassium phosphate
Uranium-235 is an important nuclear fuel. However, the ^235Uisotope is only a very small amount of naturally occurring uranium. Therefore, taking advantage of gas diffusion rates and molecular masses, naturaly occurring uranium(IV) oxide is conver..
Explain what is the magnitude of the angular momentum of an SF6 molecule define when it is rotating with its minimum energy
Hydrogen and oxygen react under a specific set of conditions to produce water according to the following equation. 2 H2(g) + O2(g) -> 2 H2O(g)
Explain what experimental method would you suggest for the preparation of t-butylbromide. Define by writing a reaction
A geotechnical engineer is evaluating the stability of the slope in Figure 13.4 below. This evaluation is considering the potential for a shear failure along the shear surface shown. The soil has drained friction angle of 30 degrees and no cohesion..
Equilibrium constant from standard potential data, Calculate the equilibrium constants of the following reactions at 25°C from standard potential data
If the process occurs adiabatically and at constant (atmospheric) pressure (a) what is the mass of water that solidifies and (b) what is the change in entropy of the system?
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