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 ...

GCSE OCR 21st Century How are equations used to represent chemical reactions? Balanced chemical equations All substances are described by their formulae, which are used to write balanced chemical ...