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For the reaction 2A + B ? C + D calculate the rate-law expression and the value of the rate constant from the following data: Initial [A] mol/liter Initial [B] mol/liter Initial rate (formation of C) 0.100 0.100 3.68x10^-5 0.125 0.215 2.13x10^-4 0.100 0.150 8.28x10^-5 0.210 0.215 3.57x10^-4
dissolved in water and completely neutralized by the addition of 43.70 mL of 0.303 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
Which of the following are ways that catalysts can speed up reactions rates? You must check all answers that apply. A) Speedup the reaction without changing k. B) Decrease the energy of activation. C) Change the path of the reaction.
calculate the change in pH that occurs when 1.00 mmol of a strong acid is added to 100 mL of 0.0500 M HCl.
In a reaction, 34.6 g of chromium(III) oxide reacts with 12.3 g of aluminum to produce chromium and aluminum oxide. If 23.7 g of chromium is produced, what mass of aluminum oxide is produced
A buffer having equal amounts of a weak acid and its conjugate base has a pH =4.4. A small amount of sodium hydroxide was combined to this buffer solution .
The annual production of sulfur dioxide from burning coal and fossil fuels, auto exhaust and other resources is about 26 million tons. the equation for the reaction is S + O2= SO2.
The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?
If the standard silver half-reaction potential is set to .80V, calculate the potential for the zinc half-reaction. Write the net ionic equation for the reaction that occurs in this voltaic cell.
Element symbols and Chemical formulas - What is the total number of atoms found in each of the following compounds? What is the total number of elements found in each?
Calculate the concentration of the dye in solution C in units of moles per Liter Kool Aid Solution, i have a molar absorptivity of 2.41x10^4 L/mol-cm analytical wavelength of 505nm molecular weight of 496.42g/mol, absorbance of 1.528
Important information about Thermochemistry, Glauber's salt, sodium sulfate decahydrate (Na2SO4 * 10H2O) undergoes a phase transition (that is melting or freezing) at a convenient temp of 32 degrees C
CS2(l) + 3O2(g) -> CO2(g) + 2SO2(g) What volume of O2 is required to react with excess CS2 to produce 4.0 L of CO2? Assume all gases are measured at 0oC and 1 atm.
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