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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)
A fossil was analyzed and determined to have a carbon-14 level that is 46.0 that of living organisms. How old is the fossil
How much ice (in grams) would have to melt to lower the temperature of 355 mL of water from 24 C to 6 C (Assume the density of water is 1.0g/ml.
When a person experiencing heartburn takes a dose of an antacid drug, like Tums or Rolaids, a neutralization reaction occurs in the stomach. How is it chemically possible for the stomach acid to remain acidic even after the neutralization reaction..
Calculate the change in molar Gibbs free energy of tristearin when a deep-sea creature is brought to the surface (p = 1 atm) from a depth of 1.5 km. The density of sea water is 1.03 g/cm-3.
how does the hammond postulate explaina. the greater selectivity for bromination vs. chlorination of an alkane?b. the
The formulation of one commercial antacid includes both aluminum hydroxide and magnesium hydroxide. Suggest a possible reason for this combination
How many moles of O2 will be produced if 4.83 moles of CO2 react completely?
A sample of an ideal gas hasa volume of 2379 mL at 9 degrees Celcius and 1.08 atm. Calculate the pressure when the volume is 1.8 L and the temperature is 299K.
a 249-gram sample of water is heated from 2 degrees c to 85degrees c. calculate the amount of heat absorbed in kj by
Calculate the heat capacity of the bomb (Cbomb) given that under constant volume conditions the specific heat of combustion of benzoic acid is 26,434 J.g?1.
Draw the mechanism that illustrates the conversion of 2-chloro-2-methylbutane to 2-methyl-2-butyl isopropyl ether with 2-propanol as the nucleophile.
What mass of copper would you expect to be deposited from a copper (II) sulphate solution using a current
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