The picture to the right is the crystal of a diamond. Circle three individual atoms of
carbon
Are these the same type or different
atoms?

Circle Any 3 Red Spheres

Explanation:

All of these atoms are Carbon (C), as diamond is a network solid composed entirely of Carbon.  They are all the same.

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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