determine the reactants and products in any kind of mmsanotherstage2019.comical reaction. Transform word equations into mmsanotherstage2019.comical equations. Use the common symbols, \(\left( s \right)\), \(\left( l \right)\), \(\left( g \right)\), \(\left( aq \right)\), and also \(\rightarrow\) accordingly when composing a mmsanotherstage2019.comical reaction.

You are watching: Sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas


The burning of fossil fuels outcomes in the formation of carbon dioxide, a greenhouse gas, and other pollutants. This is an example of mmsanotherstage2019.comical change, in which new substances space formed.In order for this come occur, the mmsanotherstage2019.comical binding of the building materials break, and also the atom that write them separate and also rearrange us into new substances with new mmsanotherstage2019.comical bonds. As soon as this process occurs, we speak to it a mmsanotherstage2019.comical reaction. A mmsanotherstage2019.comical reaction is the process in i beg your pardon one or more substances are readjusted into one or much more new substances.


Reactants and also Products

To define a mmsanotherstage2019.comical reaction, we require to show what building material are current at the beginning and also what building materials are present at the end. The substances the are current at the beginning are called reactants and also the substances present at the finish are referred to as products.


Writing mmsanotherstage2019.comical Equations

When sulfur dioxide is added to oxygen, sulfur trioxide is produced. Sulfur dioxide and oxygen, \(\ceSO_2 + \ceO_2\), room reactants and sulfur trioxide, \(\ceSO_3\), is the product.

\< \underbrace\ce2 SO2(g) + O2(g) _\textReactants \rightarrow \underbrace\ce2SO3(g)_\textProducts \nonumber\>

In mmsanotherstage2019.comical reactions, the reactants are found before the prize "\(\rightarrow\)" and the commodities are found after the symbol "\(\rightarrow\)". The general equation for a reaction is:

\<\textReactants \rightarrow \textProducts \nonumber\>

There space a couple of special symbols that we require to recognize in order to "talk" in mmsanotherstage2019.comical shorthand. In the table listed below is the an overview of the major symbols used in mmsanotherstage2019.comical equations. Table \(\PageIndex1\) mirrors a listing that symbols offered in mmsanotherstage2019.comical equations.

Table \(\PageIndex1\): Symbols used in mmsanotherstage2019.comical Equations SymbolDescriptionSymbolDescription
\(+\) used to separate multiple reactants or products \(\left( s \right)\) reactant or product in the heavy state
\(\rightarrow\) yield sign; separates reactants from products \(\left( l \right)\) reactant or product in the fluid state
\(\rightleftharpoons\) replaces the yield sign for reversible reactions that reach equilibrium \(\left( g \right)\) reactant or product in the gas state
\(\overset\cePt\rightarrow\) formula written above the arrowhead is supplied as a catalyst in the reaction \(\left( aq \right)\) reactant or product in one aqueous solution (dissolved in water)
\(\overset\Delta\rightarrow\) triangle suggests that the reaction is gift heated

mmsanotherstage2019.comists have a choice of techniques for describing a mmsanotherstage2019.comical reaction.

1. You candraw a photo of the mmsanotherstage2019.comical reaction mirroring the submicroscopic particles.

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2. You canwrite a indigenous equation because that the mmsanotherstage2019.comical reaction:"Two molecules of hydrogen gas react through one molecule that oxygen gas to produce two molecule of water vapor."

3. You canwrite the equation v mmsanotherstage2019.comical symbols

\<2 \ceH_2 \left( g \right) + \ceO_2 \left( g \right) \rightarrow 2 \ceH_2O \left( g \right)\>

In the symbolic equation, mmsanotherstage2019.comical formulas room used instead of mmsanotherstage2019.comical names for reactants and products, while icons are offered to indicate the phase of every substance.

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To turn word equations into symbolic equations, we need to follow the offered steps:

recognize the reactants and products. This will aid you know whichsymbols walk on every side that the arrow and also where the \(+\) indicators go. Write the correct formulas for every compounds. Sometimes a reactant or product is just an facet (like hydrogen gas or oxygen gas). There space seven elements that are taken into consideration diatomic, definition that lock are always found in pairs in nature. They incorporate those elements provided in the table. Table \(\PageIndex1\): Diatomic ElementsElement NameFormula
Hydrogen Nitrogen Oxygen Fluorine Chlorine Bromine Iodine
\(H_2\) \(N_2\) \(O_2\) \(F_2\) \(Cl_2\) \(Br_2\) \(I_2\)