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What is power?

Power is the rate of doing work or the rate of transfer of energy. If W is the amount of work done in time t, then power is given by the... View Article

Define 1 watt of power.

Answer: Power can be defined as the rate at which work is done i.e. energy converted. The formula for power is P = W/t A body is said to have... View Article

A force is defined as a:

Force is defined as the push or pulls experienced by an object. According to Newton's second law of motion, force is given as the product of mass... View Article

Define the term element.

An element is a pure substance that cannot be broken down by any physical or chemical means into simpler substances. Elements are described as... View Article

Give examples of a base.

Ammonium hydroxide, Potassium hydroxide, Calcium hydroxide are examples of the base. Basic substances react in aqueous solutions by accepting... View Article

Why is PV work negative ?

The negative sign in the PV work indicates that the system has lost energy. As the volume increases at constant pressure, then the work done by... View Article

Is AgCl is soluble in NaCN

Yes, AgCl is soluble in NaCN. This is possible as there is a formation of coordination complex sodium argento cyanide which makes it soluble in NaCN.... View Article

How is a black hole formed?

Black hole formation takes place when massive stars die. The intense gravitational force of these stars do not allow anything to escape through them.... View Article