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The reaction
2 A ---> B + E
is second order (in A) with rate constant 0.0006 L mol-1 s-1. At infinite time [A] = 0. How long will it take a solution with [A] = 79.2 M to decompose such that [A] = 17.2 M? Give your answer in seconds.
A supernatant from a saturated calcium hydroxide solution is titrated with a standardized hydrochloric acid solution to the methyl orange endpoint
What mass of propane gas, C3H8, will occupy 860. mL at 880. mm Hg and 81.0°C?
How much ozone is used if the following reaction releases 568kJ of energy in the form of heat? Pb(s) + C(s) + O3(g) ---------> PbCO3(s)
the equilibrium constant kc for the reaction has the valueof 4.00 at 500k. if a mixture of 1.00 mol co and 1.00 mol
A 135 mL sample of a 15.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.50 L.What is the freezing point of the final solution.
What information was revealed by this test? Which halide ion was present in the unknown solution? If an additional test is necessary to confirm or complete you identification, state which test you would use, an what information it would provide.
a chemist finds that 90.00 grams of an unknown compound contains 32.76 grams of manganese 19.08 grams of sulfur and
Which electrode gains mass and which loses mass as the cell reaction proceeds? What is the equation for the equation for the overall cell reaction?
how many milliliters of .1229 M NaOH are needed to completely neutralize 50.00mL of .1012M H2SO4 solution
The atmospheric oxidation of nitrogen monoxide was studied at 183C with initial partial pressure of 1.000 atm of NO and 1.000 atm of O2. At equilibrium, Po2= .50-6 atm. Calculate Kp. 2 NO(g) +02 ->
For SO3 draw all possible resonant structures without violating the octet rule for S
Write the chemical equation for the formation of CH from H and C atoms. Lone pairs do not need to be included. Then Using the table of bond energies determine the ?H for the above reaction.
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