What is the activation energy for the reaction
If the reaction rate doubles when the temperature is increased to 35 ^circ {rm C}, what is the activation energy for this reaction in {rm kJ}/{rm mol}?
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In a gas mixture, the partial pressures are argon 447 mm Hg, neon 77 mm Hg, and nitrogen 144 mm Hg. What is the total pressure (atm) exerted by the gas mixture?
How many grams of formic acid, HCOOH, must be added to 0.300 L of 0.110 M sodium formate, HCOONa, to yield a buffer solution with a pH of 4.10? Assume no volume change. Ka of HCOOH = 5.0 10-4.
A graduated cylinder contains 129 of water. A 12.0 piece of iron (density = 7.86 ) and a 15.0 piece of lead are added. What is the new water level in the cylinder?
When α-D-xylofuranose is treated with excess methyl iodide in the presence of Ag2O, how many equivalents of methyl iodide react with each equivalent of the furanose?
What does it mean to say that a proton is hydrated, and how will the heat of hydration affect the measured heat flow for neutralization reaction?
Consider the titration of 50.00 mL of 0.1000 M HNO2 (Ka = 7.1•10-4) with 0.1000 M NaOH solution. What is the pH after the addition of 15.00 mL.
what is the theoretical yield of zinc iodide, if a 2.0-g sample of zinc was used with 6.5 grams of iodine.
how many grams of water can be produced by the reaction of 2.40 mol of C2H2 with 7.4 mol of O2?
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