Ascientist and his friend walked into a bar. the scientist said: "may i get some h2o". the waitress asked his friend what he would have to drink. the friend said: "i'll have some h2o too". so they drank their drinks and talked about their girlfriends and life. but a half hour later, his friend died. why?

The waitress thought the man meant H202 which is Hydrogen Peroxide. The man drank the Hydrogen Peroxide and then died.

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

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