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When a number is written in front of a molecule, that shows how many molecules of that substance are needed to balance the equation. For instance...
N2 + 3H2 -> 2NH3
which means to get two molecules of ammonia from nitrogen and hydrogen, we need one N2 molecule and three H2 molecules.
Wiki User
∙ 8y ago
Wiki User
∙ 8y agoThis would appear in a chemical equation and denote that five molecules of carbon dioxide are required to complete the reaction.
Wiki User
∙ 8y agoCO2 is the chemical formula of carbon dioxide; the meaning of 5 CO2 is 5 carbon dioxide molecules.
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What is the chemistry sign for carbon dioxide?
The chemical formula (rather than 'sign') is CO2 for carbon dioxide.
What does Rx stand for in chemistry?
Reaction.
Give the 5 principal of the brnches in chemistry?
The 5 branches of chemistry are the analytical chemistry organic chemistry inorganic chemistry physical chemistry biochemistry
What is a retort stand in chemistry?
The retort stand is a simple device in chemistry laboratory used to hold a burette or any other laboratory item.
In chemistry what does K20 stand for?
Potassium Oxide.
What is CO2 in chemistry?
CO2 is carbon dioxide.
What are chemistry equations related to environmental chemistry?
H2o + co2 ----> o2 + carbohydrate
What is the chemistry sign for carbon dioxide?
The chemical formula (rather than 'sign') is CO2 for carbon dioxide.
What does 6CO2 stand for?
This is a Chemistry symbol. It is used in a balanced symbol equation and represents 6 carbon dioxide molecules. It is normally written as just CO2. But in this case, it should be part of a balanced symbol equation.
What does c for chemistry stand for?
carbon
What does Rx stand for in chemistry?
Reaction.
What does the you symbol stand for in chemistry?
Uranium
What doesco2 stand for?
CO2 is carbon dioxide.
Give the 5 principal of the brnches in chemistry?
The 5 branches of chemistry are the analytical chemistry organic chemistry inorganic chemistry physical chemistry biochemistry
What is a retort stand in chemistry?
The retort stand is a simple device in chemistry laboratory used to hold a burette or any other laboratory item.
What type of chemistry is involved in organic chemistry?
All carbon containing compounds except elemental C, CO and CO2 (and its simple derivatives)
In chemistry what does K20 stand for?
Potassium Oxide.
