Explain the terms percentage composition, empirical formula and molecular formula.

What is meant by molecular formula ?

Complete the tables: Complete the following table by writing their structural formulae and molecular formulae.

Draw three structural formulae having molecular formula C_5H_(12) .

The molecular mass of an organic compund is 78. Its empirical formula is CH. The molecular formula is

Explain Newton's second law of motion and derive the formula

Explain the term loudness. Give its unit and formula in decibel.

Fill in the blanks and rewrite the complete statements : The compounds having different structural formulae having the same molecular formula is called……..

The phenomenon in which compounds having different structural formula have the same molecular formula

An organic compound having C,H and O has 13.13 % H, 52.14% C. its molar mass is 46.068 g mol ^(-1) . What are its empirical and molecular formulae ?

Name the components of cooking gas. Write their molecular formulae.