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Re: Le Chatelier's Principle lab
1. Describe the effect on the solubility of Zn(OH)2 when solution of HCl, NaOH, and NH3 are added individually to three separate sample of Zn(OH)2.
2. Describe the effect on the solubility of Mg(OH)2 when solution of HCl, NaOH, and NH3 are added individually to three separate sample of Mg(OH)2.
3. Explain why Mg(OH)2 and Mg(OH)2 behave differently in the solution: HCl, NaOH, and NH3.
Question- Given the Voltaic cells what is the equation for the spontaneous redox reaction and cell diagram notation.
How would you distinguish experimentally between an amphourous, a crystalline and a crosslinked polymer
how many grams of AgNO3 can be produced by reacting completely 88.0g of Ag? (c)- state the number of grams of water that can be obtained by the reaction of 324g of Ag with 126g of HNO3
Describe simple chemical tests that would enable you to distinguish between the following sets of compounds. Write equations for any chemical reactions
Calculate and indicate values of nonzero formal charges. Based on formal charges, circle the preferred structure.
A perfect gas undergoes an isothermal compression, which reduces its volume by 1.80 dm3. The final pressure and volume of the gas are 1.97 bar and 2.14 dm3, respectively.
Question- What mass (in grams) of iron(III) oxide contains 47.3g of iron? Iron(III) oxide is 69.94% iron by mass.
The pH of the solution at the equivalence point. e) The pH of the solution after 40.0 mL of HCl are added.
A tank contains a mixture of 3.0 mol N2, 2.0 mol O2, and 1.0 mol CO2 at 25 degree Celcius and a total pressure at 10.0 atm. Calculate the partial pressure(in torr) of each gas in the mixture.
Calculate the mass of CO2 emitted into the atmosphere upon accelerating the SUV from 0 to 67.0mph . Assume that the required energy comes from the combustion of octane with 30% efficiency.
The result described is impossible, given the fact that delta G is -60 kJ/mol. d. The activation energy for the reaction is very large; equilibrium has not been reached by 24 hours. e. An enzyme has shifted the equilibrium toward A.
A 4L rigid tank contains 2 kg of saturated liquid vapor mixture of water at 50 C. The water is now slowly heated until it exists in a single phase.
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