Why are oils usually liquid at room temperature whereas fats are solid?

How many delocalised π electrons does a molecule need to be considered as aromatic?

(n is a natural number)

Find the FALSE statement.

The α and β forms of glucose are:

An anhydride can react with a primary amine to yield:

A Boeing 737 jet plane lands with a speed of 60 m/s and decelerates at a constant rate of 5 m/s2 as it comes to rest. What is the distance covered on the runway before the plane will come to rest?