Noble gases are used in tubes to produce brightly colored lights, called neon lights even though most tubes contain a mixture of gases - not just neon. Why do these tubes need an electric current in order for light to shine out of the tubes?

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

d

explanation:

pv=nrt

explanation: