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For an oil-transportation truck, to fill an initially empty 275-gal tank with fuel oil requires 12 min. If the flow from the filling nozzle is steady, and the diameter of the filling nozzle is 20 mm, do the following: a) Write the mass conservation equation for this control volume case of the tank. (4) b) Find the steady volume flow rate of fuel oil into the fuel tank. (5) c) Estimate the velocity of the fuel oil exiting the filling nozzle.
Calculate the pH of each of the following solutions. (a) 0.115 M HONH2 (Kb = 1.1 10-8)
A 20.0-mL sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.
Important information about Hydroboration reaction, In one experiment you combine 1-hexene which is reacted with H2SO4 with water as the solvent and the compound produced is 2-hexanol
Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5COOH + H2O ==== H+ and C6H5COO- T..
strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. if the mass of an atom of sr is
Calculate the osmotic pressure at 20C of the solution 0.050M C12H22O11; assume complete dissociation for an ionic solutes.
You need to produce a buffer solution that has a pH of 5.50. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution. T..
Stoichiometry explained in this solution, If the yield of CO2 (g) from the reaction of butane with hydrogen peroxide is only 80.65%, with how many grams of butane and hydrogen peroxide
question 1 magnesium chloride is often used to salt ice that has accumulated on roadways. why would magnesium chloride
With which of the metals Cu(s), Al(s), Ag(s), Fe(s) and Zn(s) is reaction with H+(aq) ions to produce H2(g) a spontaneous reaction. Select three oxidizing agents that are capable of oxidizing Cl-(aq) ions to Cl2(g)
question when one mole of solid naoh is dissolved in 1l of solution 44.5kj of heat are released. how much heat is
Ni(s) +4CO(g) Ni(CO)4(g) Given that the standard free energies of formation of CO9g) and Ni(CO)4 are -137.3 kj/mol and -587.4 Kj/mol, respectively, calculate the equilibrium constant of the reaction at 80C. Assume that DeltaGf is temperature ind..
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