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What mass of zinc can be plated onto a metal sheet (a process call "galvanizing") from an aqueous zinc sulfate solution using a 0.755 amp current for 1.50days?
Part 2 In a substituent reaction will the leaving group (L=Cl- ) be substitute by a new substituent. Is the substituent in the carbonyl compound nucleophile or electrophile? Argue according to your answer in part 1.
Calculate the pH of the solution that results when 100.0 mL of 0.15 M NaOH is added to 50.0 mL of 0.25 M HNO3
How many Joules of energy are stored in 1 pound (454 g) of sucrose? (Assume: Pressure = 1 atm, Temperature = 25°C; the respective ?Hf° for the reactants and products can be found in the thermodynamic table linked above. Show your calculation
Of the following compounds, which would be considered ionic bonds and which would be considered covalent bonds, and why
Common oxidation states of mercury are 1 and 2. In the 1 oxidation state, mercury forms a diatomic cation. In the 2 oxidation state, mercury is a typical monatomic cation.
Indicicate the coordinaiton number of the metal and oxidation number of the metal as well as the number and type of each donor atom of the ligands for the folloing complexes:
When ethylamine, a weak base (Kb=4.3E-4), reacts with the formic acid, a weak acid (Ka=1.8E-4), the following reaction takes place: Calculate K for this reaction.
If 25.0 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
Why should the flask be immersed in boiling water as much aspossible? What effect will it have in determining the molecularweight? Explain.
In the qualitative cation analysis procedure, Bi3+ is detected by the appearance of a white precipitate of bismuthyl hydroxide, BiOOH(s): BiOOH(s) --->
The solubility of AgCl (s) in water at 25 C is 1.33 *10^-5 mol/L and its DeltaH of solution is 65.7 Kj/mol. What is the solubility at 68.3 C?
What is the millimolar concentration of dissolved oxygen for a lake or stream under the partial pressure of oxygen and a temperature of 12 degrees Celsius?
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