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AB ---> A+B, a plot of 1/[AB] versus time yields a straight line with slope -0.055/M*S. a) What is the value of the rate constant (k) for this reaction at this temperature? b) Write the rate law for the reaction c) If the initial concentration of AB is .250M, and the reaction mixture initially contains no products, what are the concentrations of A and B after 75 seconds?
A 2.52- sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess to yield 4.36 of and 0.892 of as the only carbon and hydrogen containing products respectively.
a plutonium-239 atom may emit a photon of light with a wavelength of 24.0 pm when it undergoes nuclear fission. What is the frequency of this radiation?
In an acid/base titration, knowing that it took 13.14 mili litres of 0.1016 M sodium hydroxide, NaOH to reach the first endpoint of the titration,) from this information, mols of Phosphoric acid present in the sample is 1.335 mols.
2I2 + N2H4 4HI + N2 a.How many grams of I2 are needed to react with 36.7 g of N2H4?
Calculate the resulting concentration of triiodide ions in the acidified solution.
A gas mixture contains helium and oxygen at respective partial pressures of 255 torr and 0.450 atm. What is the total pressure in mm Hg of the mixture?
Explain why alcohols such as ethanol and propanol are soluble in water, butanol is moderately soluble and pentanol is slightly soluble
Determine how many moles of CO 2 would have to be combined at constant temperature and volume to increase the amount of CO to 0.300 moles?
Some observations through an experiment shows that a gas sample of 115 mili litres has a mass of 0.170 grams at a pressure of 711mmHg and a temperature of 34 degree celsius. Determine the molar mass of the gas.
at conditions of 785.0 torr of pressure and 15.0 Celsius temperature, a gas occupies a volume of 45.5 Celsius what will be the volume of the same gas at 745.0 torr and 30.0 Celsius.
How many different tetrapeptides containing 2 molecules of alanine and 2 molecules of valine could theoretically exist?
A 50.0 L cylinder of Ar has a pressure of 137 atm at 25 C. What mass of Ar is inside the cylinder?
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