Chemistry, 18.09.2019 04:30, nonjabulomabaso6850
Phosgene is a potent chemical warfare agent that is now outlawed by international agreement. it decomposes by the reaction: cocl2 (g) ⇋ co (g) + cl2 (g) kc = 7.5 x 10-5 (at 362°c) calculate the concentration of co when 7.73 mol of phosgene decomposes and reaches equilibrium in a 10.0 liter flask. multiply your answer by 103 and enter that number to 2 decimal places. hint: look at sample problem 17.9 in the 8th ed of silberberg. write a kc expression. calculate the initial concentration of phosgene. do an ice chart. find the concentration of co.
Answers: 2
Chemistry, 22.06.2019 05:20, anggar20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
Answers: 1
Chemistry, 22.06.2019 12:30, nekathadon
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
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