Nicolaas constructed a working model of the hydrologic cycle during science class. He used an open flame, liquid water, two large glass bulbs, and some glass tubing. Which of the following processes does Nicolaas' model demonstrate?

Surface, condensation, evaporation, precipitation

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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