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Compose a judgment as to the effectiveness of commercial liquid bleaches by noting the ingredients on the labels? Explain
Calculate ?Sºf for oxalic acid and ?Sº for the combustion of one mole of oxalic acid. c) Calculate ?Gºf for oxalic acid and ?Gº for the combustion of one mole of oxalic acid.
30.0 ml of 0.10 m cano32 and 15.0 ml of 0.20m na3po4 solutions are mixed. after the reaction is complete which of these
A 3.18 L sample of hydrogen chloride (HCl) gas at 1.64 atm and 31 degrees C is completely disolved in 710 mL of water to form hydrochloric acid solution. Calculate the molarity of the solution. Assume no change in volume
Gaseous oxygen is held in two separate containers at identical temperature and pressure. The volume of container A is 6.48 L and it contains 0.785 mol of the gas. The volume of container B id 5.78 L. How many moles of the gas are in container B
consider 25.0 g of water at 21.7degc that are mixed with 25.0 g of water at 43.3degc in a foam cup calorimeter. the
Given the equilibrium pH will you have successfully reduced each metal ion level to below the MLC? Provide detailed calculations to support your answer.
Energy cannot be transformed from one type to another (e.g., potential to kinetic). 3. Matter can be transformed into energy in a chemical reaction. 4. Energy can be created spontaneously from nothing.
It is again evacuated and then filled with a gas of unknown molar mass. When reweighed, the flask is found to have gained 8.108 g.
A student recrystillized 500 mg of an impure sample of naphthalene using methanol-water solvent pair and obtained 150 mg dried crystillized product
Write out the balanced chemical equation that occurs when silver tarnishes in the presence of hydrogen sulfide ( a gas produced in food decay) and oxygen. Water is a by-product. Into which class of reactions does this reaction belong
Rank the solutions from the highest to lowest pH.
What is the molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6, mol wt = 180 g/mole) in 35.5 mL of solution
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