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Problem- How many grams of Cr3+ would be reduced to Cr by the same amount of electricity that produces 6.0 g Ag from a solution of AgNO3?
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Calculate the weight percent composition of the mixture, using the same assumptions as in part A.
Identify the geometry of the iron(III) complex in water and the complex ions produced in the above reactions
The average mass of a carbon atom is 12.011. Assuming you were able to pick up only one carbon atom, the chances that you would choose a carbon atom with a mass of 12.011 is:
Calculate the change in copper entropy associated with cooling one mole of copper over the following two ranges. Use the full form of Cp (if Cp is needed).
The solubility of the salt, M3X, is 2.70×10-3 g/L. Calculate the solubility product constant, Ksp, for this salt. The molar mass of the salt is 292.9 g/mol.
The mercury level in the open to atmosphere end of the manometer was 5.25 cm lower than the hydrogen gas end. The barometer reading was 27.55 in Hg, Compute the gas pressure in torr
An individual's blood alcohol content (% alcohol in blood as measured mass per volume = mass of alcohol per volume of blood) was 0.15. If we assume the individual drank all of the alcohol at once
The activation energy for a given reaction is kJ/mol. What is the ratio of the rate constants for this reaction when the temperature is decreased
Calculate Qsp for calcium flouride (Ksp=3.9 x 10^-11) when 230.0 mL of a 0.00790 M solution of Ca(NO3)2 is added to 275.0 mL
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 39.0 mL of 0.550 M Cd(NO3)2 solution?
What small molecule is eliminated during the dehydration reaction when acetaldehyde is heated in the presence of KOH
Is a 0.15M solution of potassium benzoate C6H5COO-K+ acidic, basic, or neutral? Calculate the pH. The Kb for benzoic acid is 1.5 X 10^-10.
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