Students learn how to write and balance equations originally stated in words. Word Equations and Balancing: The law of conservation of mass is used to provide standard rules for writing and balancing ...

1 Write a word equation for the reaction. 2 Write a simple equation by writing the name of each substance with its symbol or formula. 3 Check whether the equation is balanced by counting the atoms of ...

The processes like crystallisation, boiling, vaporisation, burning of colour, melting point, hardness etc, are called physical changes. These are reversible in nature. The processes like ...

Traditionally, chemical reactions have been described as one-line "equations" in which substrates, say A and B, convert purposefully but rigidly into a desired product, say C. Naturally, it has been ...