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A certain first-order reactio has a rate constant of 3.60×10-3 at 45 . How many minutes does it take for the concentration of the reactant to drop to 6.25% of the original concentration?
Calculate the standard free energy change for the process N2O5(s)-->N2O5(g) at 25 0C if Vapor pressure of N2O5 at 7.5 degrees C is 100mmHg, and the solid sublimes at a pressure of 1.00 atm at 32.4 0C.
What are the molality and mole fraction of solute in a 29.3 percent by mass aqueous solution of formic acid (CH3OH)?
Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 32.0 mL. The first bulb has a volume of 35.0 mL and contains 3.00 atm of argon, the second bulb has a volume of 250 mL and contains 2.27 atm of neon
Find the contact time for inactivating Gardia cysts - How much contact time would be required for inactivating Gardia cysts
Derive the activation energy for a reaction that proceeds 2 times faster when the temperature is raised from 20 C to 30 C.
1-mL of 0.007 M Na2SO4 was diluted in 100-mL of deionized water. What is the concentration of the Na2SO4 in ppm
Would it be safer to store a nickell (II) chlorides solution in a lead container or a chromium container?
Write a balanced chemical equation for this reaction when Ferrophosphorus reacts with pyrite making iron (ll) sulfide and a compound that is
What is the equilibrium concentration of N2 in water when the pressure of N2 above the solution
sodium carbonate reacts with hydrochloric acid as shown below in an unbalanced chemical equation. what mass of co2 is
If 43.2 ml of 0.105 M KMnO4 were required to reach the endpoint of a 14.8g bleach sample, what was the perrcentage of H2O2 in the sample?
a balloon filled with 39.1 mole of helium has a volume of 876l 0.0oc and 1.00 atm presssure. the temperature of the
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