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Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
2 H2O2 ---> 2 H2O + O2t (seconds) 0 60 120 180 240 360 420 600
[H2O2] (M) 0.882 0.697 0.566 0.458 0.372 0.236 0.188 0.094
What is the value of the rate constant, k?
Tartaric acid, which occurs in many fruits, has a molar mass of 150.1 g/mol and contains 63.96% oxygen by mass. How many oxygen atoms are in each tartaric acid molecules.
A piece of a newly synthesized material of mass 25.0 g at 80.0C is placed in a calorimeter containing 100.0 g of water at 20.0C. If the final temperature of the system is 24 0C
Calculate the grams of potassium iodate, KIO3 (FM 214.00) required to react with 25.0mL of a 0.0700M solution of sodium thiosulfate, Na2S2O3
What is the molarity of benzyl alcohol if the molecular weight is 108.14, the volume is 5 mL
A water sample is measured to have alkalinity of 130 mg/L as CaCO3 at pH=9.2, what are the concentrations of the three carbonate species
How many carbon dioxide molecules are generated by the combustion of one molecule of hexane (C7H14) in ample oxygen?
Draw a molecule that will produce a spectrum containing two triplets appearing at different chemical shifts and both having an integral of 2 hydrogens.c
How long will it take for a signal to travel that distance assuming that the speed of light in the cable is the same as in a vacuum?
30.0 mL of 0.150 M CH3CO2H are titrated with 0.150 M NaOH. What is the pH of the solution after 15.0 mL of NaOH has been added. The Ka for acetic acid is 1.80 x 10-5
Calculate the mass of propylene glycol that must be added to 0.360 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).
The vapor pressure of liquid Ni is 0.100 torr at 1606 degrees C and 1.00 torr at 1805 degrees C. The molar heat of fusion of Ni is 3.25 kcal/mol. Determine the vapor pressure of solid Ni at 1200 degrees C.
How many milliliters of 0.483 M HBr solution can be made from 38.0 mL of 8.00 M HBr solution?
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