There are 3.01 moles. round to 3 if it asks for a whole number
The middle nitrogen has two sigma bonds and one pi bond. You know that one p orbital is used in the double bond and two sp2 orbitals are involved in the sigma bond. This leaves one sp2 orbital for the lone pair to occupy.
Explanation:
fractional distillation method is used to obtain petrol from petroleum...
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Mechanical energy<span> of </span>an object<span> can be the result of </span>its<span> motion
i think
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