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Eluting solvents of varying polarity .Isopropyl alcohol (rubbing alcohol)-low polarity
A solution of nickel sulfate was electrolyzed for 1.50 hours between inert electrodes. If 35.0 grams of nickel was plated out, what was the average current.
Solute and Solvent.In the background information, the table showed you that a mixture can be made between a minimum of two solids
If 0.581 grams of oxalic acid (H2C2O4*2H2O requeires 30.52mL of KOH(aq) in a titration, calculate the molarity of the KOH solution
Calculate the molar mass of the unknown compound.Express your answer using two significant figures and g/mol
Change in (delta) H degrees = 2816kJ How is the equilibrium yield of C6H12O6 affected by:Increasing P CO2 (explain)
Carbonyl fluoride, COF2 , is an important intermediate used in the production of fluorine-containing compounds.
Chemical Kinetics: Assessing Reactions.What is the average rate of formation of Br 2 ?Express your answer to three decimal places and include the appropriate un
Kinetics and Rate of Reactions.To measure the speed of a car, we use miles per hour (miles/hour or mph ). To
What would be the effect of performing your kinetics experiments at a lower temperature than the one you used? Choose from
What is the difference between a strong acid and a weak acid? Choose from:
Aqueous Ionic Equilibrium.Consider the following titration curve of a weak acid titrated with strong base.
Calculate the molar solubility of lead thiocyanate in 0.600M KSCN . Express your answer with the appropriate units.
Buffer Solution, pH and Concentration.Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution:
Buffer Solution and Entropy.A 1.0-L buffer solution is 0.105M in HNO2 and 0.145M in NaNO2.
In photosynthesis, plants form glucose (C6H12O6) and oxygen from carbon dioxide and water.Write a balanced equation for photosynthesis.
Thermo Dynamics.Given the values of ?H ° rxn , ?S ° rxn , and T below, determine ?S univ .
Calculate the change in Gibbs free energy for each of the following sets of ?H ° rxn , ?S ° rxn , and T
Chemical Reactions - Temperature and Gibbs Free Energy.The chemical reaction that causes aluminum to corrode in air is given by
Determine the sign of ?S sys and ?S surr for each chemical reaction.2CO(g)+O2 (g)?2CO2 (g)?H ° rxn = -566.0 kJ. Choose from:
Predict what will happen when each of these dilute solutions is tested for conductivity. Please explain to me why you made your predictions
What is the molecular formula of this compound?Identify the amine functional group in histamine.
Which half-reactions represent oxidation and which reduction? Explain your reasoning.
Pi bonding, temperature volume.Two flexible containers for gasses are the same temperature and pressure
Four compounds have the formula C4H8O, identify possible compounds.