Can someone write a hypothesis for this: cigarette smoking increases the risk of lung cancer

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

24

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante