Which of the following materials is the best conductor? A. Iron B. Plastic C. Glass D. Rubber

A. Iron

Explanation: Because the electrons involved in the metallic bond of iron are free-moving, iron is a good conductor.

A. Iron

Explanation:

Because iron is a metal, it has higher capabilities and it has the exact qualities of a metal (which it is) to conduct heat and electricity where as the others have qualities that do not conduct heat or electricity which is why most pan handles have rubber.

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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