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Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. From 164.5 C to 179C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction?
the 200mm test tube also contained some water which was subsequently added to the calorimeter. considering a higher
If 57.0 g of B2O3 is added to 44.7 g of Cl2 and 68.8 g of C, what is the theoretical yield of boron trichloride?
A 0.2088g sample of an unknown monprotic acid is titrated with 22.10 ml of 0.1000 mol/L KOH. The pH of the solution after the addition of 22.10 ml of base is 5.02. What is the Ka for the acid?
You are given an impure sample of a phenol and asked to purify it. You ask for information about the suspected impurities, but it seems no one really knows.
If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate.
Calculate the frequency of the photon emitted by a hydrogen atom when its electron droops from the n=3 state to the n=1state
Determine the number of bonding electrons and the number non-bonding electrons
calculate the number of protons in a sample of pure water with a volume of 1 mL. Then, calculate the fraction of water that is ionized.
for swimming 1500 m in a long course pool is 14 min 34.56 s. At this rate, how many seconds would it take to swim 0.650 miles? (1 mi = 1609 m.)
Calculate the volume of 0.125 M radium hydroxide solution required to completely neutralize 10.00 mL of 6.32 M phosphoric acid (3 acidic hydrogens)
What is the overall mass-transfer coefficient for oxygen (O2) from the atmosphere to the river? (b)Which part of the transfer mechanism controls the overall rate
An organic compound X contains C, H, and O. A 16.69 g sample of X underwent combustion analysis, leading to the production of 44.71 g CO2 and 10.99 g H2O. What is the emperical formula of the compound?
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