Geometry — Trapezoids Mock Tests

For the equilibrium N₂(g) + 3H₂(g) ⇌ 2NH₃(g), ∆H = -92.2 kJ/mol, which of the following changes will shift the equilibrium towards the product side?

According to Molecular Orbital Theory (MOT), which species has the highest bond order and is diamagnetic?

A uniform solid sphere of mass M and radius R rolls without slipping down an incline of angle theta from rest. After traveling a distance s along the incline, its speed v is:

The angle of elevation of the sun changes from 30° to 60°. The length of a shadow of a tower 30 m high decreases by how much?

A cylinder has a radius of 3 cm and a height of 10 cm. What is its volume, in cubic centimeters?

The volume of a cube is 729 cm³. Find its surface area.

A rectangular prism has a volume of 120 cubic units. If the base area is 24 square units, what is the height of the prism?

The binding energy per nucleon of a nucleus increases with mass number A for small A, peaks near A = 56 (iron), and decreases for large A. This behavior is primarily due to the competition between: