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In your laboratory you're studying a chemical reaction that follows the general rate law: rate = k[A]. Initial experiments show a rate of 0.001412 M/s when [A] = 0.519 M at 299 K. You add a catalyst to the reaction, which is known to change the activation energy of the process by 1.5 kJ. What will the rate of the reaction be with the catalyst when [A] = 0.0757 M at 315 K? Assume that the Arrhenius factor for this reaction has been determined to be 0.673 s-1.
Assuming that the pressure and amount of a gas sample remain constant, what will be the final volume of a 3 .84 L sample of a gas originally at 160 0C when heated to 280 0C
Assuming a tank temperature of 16oC, what mass of oxygen is contained in the two tanks?
Give the theoretical yield, in moles, of CO2 from the reaction of 4.00 moles of C8H18 with 4.00 moles of O2. 2 C8H18 + 25 O2 ? 16 CO2 + 18 H2O
Calculate the entropy change when 100 g of argon is heated and compressed from 300 K, 1.0 atm, to 900 K, 17 atm
The enzyme, carbonic anhydrase, is a large zinc-containing protein with a molar mass of 3.00 × 104 g/mol. Zn is 0.218% by mass of the protein.
When the gases dihydrogen sulfide and oxygen react, they form the gase sulfur dioxide and water vapor
Why are the mobile phases added in order of increasing polarity rather than in the order of decreasing polarity?
Acetic acid(HC2H3O3) is an important ingredient of vinegar. A sample of 50.0mL of a commercial vinegar is titrated against a 1.00M NaOH solution. What is the concentration(inM) of acetic acid present in the vinegar
What is the pH of a solution resulting from the titration of 50 mL of 0.050 M acetic acid solution, CH3COOH, with 50 mL of 0.050 M NaOH solution
Determine the magnitude of the partial charges in HBr given that the bond length is 1.41 angstroms and the dipole moment is 0.82 debye.
Acetic anhydride is formed from acetic acid in a condensation reaction that involves the removal of a molecule of water from between two acetic acid molecules. Write the chemical equation for this process.
Calculate the pH of a buffer that contains 0.270 M hydrofluoric acid (HF) and 0.180 M cesium fluoride (CsF). The Ka of hydrofluoric acid is 6.8 x 10^-4.
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