What is mouth describe itself

Mouth is a oval shaped cavity inside the mouth .

The two main work of mouth is speaking and eating. It is also called buccal cavity or oral cavity .parts of mouth are lips, gums ,teeth , tongue and salavary glands...

r just means there's a number of carbon in teh chain. for example rcooh means that after x number of carbon, the chain ends with cooh.

explanation:

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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