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Balance the subsequent equations in both acidic and basic environments Show the half reactions right before they are added together after balancing all the components and then show the balanced equation:
1) Cr2O72-(aq) + C2H5OH(l) --> Cn3+(aq) + CO2(g)
2) Fe2+(aq) + MnO4-(aq) --> Fe3+(aq) + Mn2+(aq)
Small air bubbles in the salt bridge may not be a problem. How can the presence of air bubbles in the salt bridge alter the effectiveness of this salt bridge
Calculate the number of grams of solute that would be needed to make each of the following solutions
Calculate for each of the following solutions, and indicate whether the solution is acidic, basic, or neutral. A. OH ? ]= 3.5×10?4M. Express your answer using two significant figures
Describe the technique you would use to deteremine the density of a 5 gram sample of gasonline or granular sugar at 20 degrees celcius and 1 atmosphere pressure
If a patient suffering from a duodenal ulcer display ahydrochloric acid (36.5 g/mol) concentration of 9.53 x10-3 M in his gastric juice and he produces 2.80 liters of gastric juice per day, explain how much medication (in mL) containing 2.60 g Al(..
Calculate the pH of 100 mL of .30 M NH3 before and after the addition of 4.0 g of NH4NO3 and account for the change. assume the volume remains constant
Calculate the heat required to convert 58.0 g of C2Cl3F3 from a liquid at 14.90 degrees C to a gas at 90.75 degrees C.
Many homeowners treat their lawns with CaCO3(s) to reduce the acidity of the soil. Write a net ionic equation for the reaction of CaCO3(s) With a strong acid.
If 0.150 mole of a nonvolatile, non electrolyte solute is dissolved in 800 grams of water, what are the ideal melting and boiling point of the solution
20.00 mL of 0.160 M HC2H3O2 (Ka = 1.8x10-5) is titrated with 0.200 M NaOH. What is the pH of the solution before the titration begins
How many moles of ammonium ions are released when 1.6 mol of ammonium phosphate, (NH4)3PO4, is dissolved in water?
Compare the stabilities of an allylic anion and a homoallylic anion, each with the formula C6H11-. An allylic anion has the negative charge on an atom adjacent to the double bond.
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