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Molar CuSO4(aq) and Pb(NO3)2(aq) solutions are in separate compartments of a voltaic cell. If sulfuric acid is then added to the Pb(NO3)2 solution, thereby forming a precipitate of PbSO4, what will happen to the cell potential?
Calculate the equilibrium constant for the photodecomposition of ascorbic acid (vitamin C) in a poorly packaged fruit, such as guava. 165g of guava contains 0.377g of ascorbic acid.
Given: NaOh 0.108 M HCl 7.80 mL calculate the molar amount of NaOH used in titration HCl
A student mixed 50.0 mL of 0.50 M H2SO4 (aq) at 18.5 degrees C with 100 mL of 0.50 M NaOH (aq) at the same temperature. After the reaction was completed, the temperature rose to 22.0 degrees C. What was the heat of reaction? (Assuming the densitie..
A container of gas with an adjustable volume has an initial pressure of p. The container volume is tripled at constant temperature. What is the pressure inside the container after the volume is increased
If strong oxidizer spill occurs in the vicinity of barrels of flammable chemicals, with one of the barrels of flammable chemicals possible leaking as well, should water be used on the incident or how should mitigation proceed?
A metal sample weighing 71.9 g and at a temperature of 100.0 degrees C was placed in 41.0 g of water in a calorimeter at 24.5 degrees C. AT equilibrium the temperature of the water and metal was 35.0 degrees C. What was delta t for the water?
What is the net ionic equation for the reaction that occurs when small amounts of hydrochloric acid are added to a HOCl/NaOCl buffer solution
When heated together, lead (II) sulphide, PbS, and lead (II) oxide, PbO, produce elemental lead and sulphur dioxide, SO2. Write a balanced equation for this reaction.
Elements cannot be decomposed by chemical means, but can be decomposed by physical means.
What bromination product(s) would you expect to obtain when the following compound undergoes ring mono-bromination upon reaction with Br2 and FeBr3. Only the organic product is required (draw the molecule)
If a procedure calls for 2.0mL of concentrated nitric acid, what are the mass and moles of HNO3 actually used in the reaction
A 13.386 g aliquot of this solution is then titrated with 0.1052 M HCl. It required 30.21 mL of the HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous waste.
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