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What is the theoretical yield (in g of precipitate) when 16.3 mL of a 0.586 M solution of barium hydroxide is combined with 18.7 mL of a 0.688 M solution of iron(III) nitrate
What are the coefficients of the six species in the balanced equation above? Remember to include H2O (l) and H+ (aq) in the appropriate blanks.
Explain why each of other solvents is less desirable than the solvent you have chosen. Acetonitrile, dimethylformamide, hexane, methylene chloride are our solvent choices.
Determine how much heat is released when 14.8 kilo grams of Ethylene forms and The Hydrogen gas is collected over H2O(water) at a temperature of twenty five degree celsius and a total pressure =762 mmHg. (The ideal gas law constant R = 0.0821L*atm/..
Explain why most of the difference in omega-3 PUFAs in Alaskan salmon are seen in the phospholipid component of the fish rather than in the triglyceride component of the fish
A certain reaction with an activation energy of 185kj/mol was run at 455k and again at 475 . What is the ratio of f at the higher temperature of f at lower temperature? one significant figure
What is the pH of a solution prepared by mixing 25.00 mL of a 0.10 M solution of the weak acid CH3CO2H with 25.00 mL of 0.040 M sodium acetate, CH3CO2Na? Assume that the volume of the solutions are additive and that Ka = 1.8 ?* 10-5 for CH3CO2H.
Draw the Lewis structure for the PO4-3 ion, indicating any resonance forms. On the basis of electron configurations, predict the formula of the Type I ionic compound formed from the elements Z=49 and Z=51.
Calculate the energy change for the reaction K(g) + I(g) → K+(g) + I- (g) given the following ionization energy (IE) and electron affinity (EA) values. IE K = 419 kJ/mol, IE I = 1010 kJ/mol; EA K = 48 kJ/mol. EA I= 295 kJ/mol
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base KOH (aq)?
How many grams of benzoic acid would you add to 30 mL of 0.27M sodium benzoate in order to prepare a buffer solution at pH=4.5? Ka of benzoic acid is 6.3E-5.
suppose a student attempts to do an ion exchange on a column that is already nearly saturated with CO2+ and Zn2+.
Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
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