Oh, dude, a chemical formula is like the recipe for a molecule, telling you what elements are in it and how many of each. A chemical equation, on the other hand, is like showing the whole cooking process, with reactants turning into products. So, like, one is the ingredients list, and the other is the step-by-step cooking instructions.
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A chemical formula is just one molecule. For example, the chemical formula for water is H2O. The chemical formula for ammonia is NH3
A chemical equation contains reactants and products, which are molecules or groups of molecules. For example, what is the chemical equation for the formation of water.
2H2 + O2 ---> 2H2O
A symbol usually only has one or two letters in it and a formula usually has a group/combination of symbols
A chemical formula is the way a particular chemical (element or compound) is represented using the letters given in the Periodic Table. For example, the chemical formula of oxygen is O2 and the chemical formula of caron dioxide is CO2A word equation describes a chemical reactionusing the names of chemicals only. For instance, the word equation for respiration is:glucose + oxygen => carbon dioxide + waterA formula equation also describes a chemical reaction, but uses chemical formulae instead of names and is balanced. An example of this would be methane burning in oxygen:CH4 + 2O2 => CO2 + 2H2O
Both words are used in similar ways, but strictly speaking, a formula is an expression, and an equation is a statement that two expressions are equal. An equation has an equals sign in it.
There are an infinite number of different quadratic equations. The quadratic formula is a single formula that can be used to find the pair of solutions to every quadratic equation.
identity is a special information related to a particular person and equation is a way of writing a formula with the sign (=)