decomposition reaction equation

The oxygen in hydrogen peroxide is both oxidized and reduced. Combustion reactions are the combination of some compound with oxygen to make oxides of the other elements as products (although nitrogen atoms react to make N 2 ). Chemical Reactions (4 of 11) Decomposition Reactions, An ... Decomposition Reaction (Theory) : Class 10 : Chemistry ... 2KCl + 3O. Therefore, it is an electrolytic decomposition reaction. Decomposition Reactions Decomposition reactions are those in which one compound breaks down (or decomposes) to form two or more products. Quizlet is the easiest way to study, practice and master what you're learning. It is represented by the general equation: AX à A + X where AX is the compound and and A and X can be elements or compounds. Decomposition reactions are called the opposite of combination reactions. Photo decomposition is a chemical reaction in which a substance is broken down into simple substances by exposure to light (photons).. Fabulous Decomposition Reactions Chemical Equation Balance ... So if we compare this to the combination . Alright, so one of the types of reactions that . It is described as being the direct opposite process to that of chemical synthesis (the constitution of single complex chemical compounds from two or . Decomposition of Carbonic Acid Culminating by Elizabeth ... What is the general form of a Decomposition reaction ... In a decomposition reaction a compound is broken into smaller chemical species. Decomposition reactions occur during the hydrolysis reaction of a sucrose into glucose and fructose molecules in the digestive tract it is catabolic. Here I have iron sulfate, this is breaking down into iron oxide . 5.3: Types of Chemical . The process of decomposition requires heat hence, it is also named a thermal decomposition reaction. Fe 2 O 3 + 3 SO 3 → Fe 2 (SO 4) 3; NaCl + AgNO 3 → AgCl + NaNO 3 (NH 4) 2 Cr 2 O 7 → Cr 2 O 3 + 4 H 2 O + N 2; Solution. Reaction Formula The generalized reaction for a chemical decomposition in the breakdown of a compound into its simpler parts is: This is a decomposition reaction because there is only one reactant. Two different substances react . These reactions are carried out by supplying energy in form of heat, electricity or light which breaks that substance into simpler substances. General equation of decomposition reaction. Combination and decomposition reactions. So for 80 composition reaction, you start off with one reactant, which will decompose into two or more products. Decomposition Reaction Equation. You may have a bottle of hydrogen peroxide like the one pictured here in your medicine cabinet at home. For example lets look at the decomposition of magnesium oxide into magnesium and oxygen. A chemical reaction where a single substance breaks into two or more simple substances when heated is called a thermal decomposition reaction. A decomposition reaction can be defined as a chemical reaction in which one reactant breaks down into two or more products. Chemical Decomposition Chemical decomposition is the separation or breakdown of a single chemical compound into simpler compounds or its elemental parts. A chemical decomposition reaction or analysis reaction is one of the most common types of chemical reactions. Types of Reactions: Decomposition and Single Replacement 1. A + B In this equation, AB represents the reactant that begins the reaction, and A and B represent the products of the reaction. You heat the CaCO₃ to decompose it into CaO and CO₂ according to the equation: CaCO₃ → CaO + CO₂ Chemical Reactions Calculator. Chemical equations and reaction class 10 Decomposition reaction - BOARD_preparationBOARD_preparation class_10_science_chapter_1chemistry_class_10 n. Each equation is out of 2 marks. Combustion reactions are the combination of some compound with oxygen to make oxides of the other elements as products (although nitrogen atoms react to make N 2). Then the carbonic acid spontaneously decomposes to produce carbon dioxide and water. In a fight, he burns his shoes, which turn white from silver. The reaction was a result of decomposition. It is just the opposite of the combination reaction. This reaction is decomposition because the carbonic acid is breaking down into carbon dioxide and water. Iron Man wears silver coloured shoes made of pure magnesium () for a special mission. Which is the correct formula for the compound made when aqueous solutions. Decomposition reactions can occur with some compounds by the addition of thermal energy. In essence, decomposition is the opposite of a synthesis reaction. More than 50 million students study for free with the Quizlet app each month. 2FeSO 4(s) → Fe 2 O 3(s) + SO 2(g) + SO 3(g) Ferrous Sulphate Ferric oxide Sulphur dioxide Sulphur trioxide A smell of burning sulphur is obtained due to the formation of sulphur dioxide gas. This is a composition reaction. CaCO3 CaOCO2 C a C O 3 C a O C O 2 The given equation is. The general form for a decomposition reaction is: AB → A + B Decomposition reactions are also known as analysis reactions or chemical breakdowns. Get step-by-step solutions from expert tutors as fast as 15-30 minutes. This can be represented by the general equation: AB → A + B. Fe 2 O 3 + 3SO 3 → Fe 2 (SO 4) 3. A decomposition reaction is a chemical reaction in which some chemical bonds in a compound are broken and simpler substances are formed. Your first 5 questions are on us! The decomposition of hydrogen peroxide in aqueous solution proceeds very slowly. The energy required by them for breaking down of product can be in the form of heat, light, electricity. Example 1 Decomposition of Ferrous Sulphate When we heat green coloured Ferrous Sulphate crystals in a boiling tube, We observe that the green colour of Ferrous Sulphate changes. It is exactly the opposite of the combination reaction in which two or more elements or compounds combine to form a single compound. He realizes that the magnesium in his shoes has undergone a combination reaction. Decomposition Reaction One single reactant and two or more productsRequires energy Examples of Decomposition Reaction An example of a decomposition reaction is the breakdown of carbonic acid (H2CO3) to carbon dioxide (CO2) and water (H2O) [2]. 13 So, we can write the synthesis reaction equation in reverse to give the decomposition reaction: NH 3(g) decomposition: 2NH 3(g) + 92.4 kJ mol-1 → N 2(g) + 3H 2(g) For the decomposition reaction, energy is a reactant, energy is absorbed during the reaction. These reactions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compounds. Water gets separated into hydrogen and oxygen gas when it is electrolysed. Written using generic symbols it is usually shown as. Most of the decomposition reactions require an input of energy in the form of heat, light or electricity. Let's learn more about it. The thermal decomposition of potassium chlorate to produce potassium chloride and oxygen. The arrow shows the direction in which the reaction occurs. Therefore, it shows that water is made up of two parts of hydrogen and one part of oxygen. It is the opposite of chemical synthesis, in which elements or relatively simple compounds combine to produce one that is more complex. The following episode looks at Decomposition Reactions. An electrolytic decomposition reaction is a type of decomposition reaction in which the activation energy for decomposition is provided in the form of electrical energy. There are two oxygen atoms in the reactants and two atoms of oxygen in the product. Here is one more category of decomposition reactions: Ca(OH)2---> CaO + H2O NaOH ---> Na2O + H2O HNO3---> N2O5+ H2O H3PO4---> P2O5+ H2O The first two substances are bases and the last two are acids. When a soda bottle is opened, carbonic acid breaks down to produce water and carbon dioxide, which causes the fizz. 2 H2O2(aq) 2 H2O O2(g) Expt. Decomposition is the breaking down of reactants in the chemical reaction. Click to see full answer Similarly one may ask, what happens when KClO3 is heated? Solution. Priestley had broken down mercury (II) oxide with heat into its elements. General Reaction Format The general format of a decomposition reaction is provided below. Decomposition reactions can be classified into three types: Thermal decomposition reaction; Electrolytic decomposition reaction; Photo decomposition reaction; Thermal decomposition is a chemical reaction where a single substance breaks into two or more simple substances when heated. Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen, and the breakdown of water to hydrogen and oxygen. Silver chloride decomposes in the presence of sunlight to form silver metal and chlorine gas. Iron(II) hydroxide Æ 6. nickel(II) chlorate Æ 7. sodium chlorate Æ 8. potassium chlorate Æ 9. For example lets look at the decomposition of magnesium oxide into magnesium and oxygen. There are many compounds that will decompose if exposed to some stress. Type of Reaction: decomposition. Write balanced chemical equations for the following reactions. Partial pivot with row exchange is selected. It is defined as the reaction in which a single compound splits into two or more simple substances under suitable conditions. A decomposition reaction occurs when one reactant breaks down into two or more products. Answer (1 of 6): *Examples of decomposition reactions are described below : 1. The reaction is slower when it is in a basic solution (pH >7) or when the pressure is increased. Look at some examples here. It is a type of decomposition reaction in which light or photons are used to break the reactants to form several products. The decomposition reaction can be represented by the general equation: AB → A + B. It can be defined as the exact opposite of chemical synthesis. Decomposition reactions are the reactions in which a chemical reactant breaks up into two or more than two products. Such a reaction is an example of a decomposition reaction. Through an aqueous solution of a chemical compound in the electrolytic decomposition reaction, an electric current is transferred. h2o h2 +o2water hydrogen gas oxygen gasfor this reaction to occur, there must be an electric current through the water as shown in the figure below. So for decomposition reactions, this can be thought of as the opposite of a combination reaction. This decomposition reaction is carried out with the help of electricity. Now the next type of reaction that will be learning is called a decomposition reaction. Chemical equations and reaction class 10 Decomposition reaction - BOARD_preparationBOARD_preparation class_10_science_chapter_1chemistry_class_10 n. Each equation is out of 2 marks. Written using generic symbols it is usually shown as. A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances. Treating a Wound Cuts or wounds are usually cleaned by applying hydrogen peroxide which produces a decomposition where the peroxide breaks down to carbon dioxide and sodium hydroxide. Exercises Questions Which is a composition reaction and which is not? An example of a decomposition reaction is when water is broken down into hydrogen and oxygen. The following episode can be downloaded from iTunes by typing "PapaPodcasts" in the search window.Mr.P A bottle of 3% hydrogen peroxide sitting on a grocery store shelf is stable for a long period of time. Since the heat is required to break the bonds present in the substance, this reaction is usually endothermic. What can help the reaction happen faster is high temperature or being in an acidic solution (pH <7). Decomposition reactions are called the opposite of combination reactions. 1. barium carbonate Æ 2. magnesium carbonate Æ 3. potassium carbonate Æ 4. zinc hydroxide Æ 5. And we adds the half-equations together to get.. 2H 2−I O2(aq) + 2H + + 2e− → 2H 2−II O + 0 O2(g) ↑ ⏐ ⏐⏐ + 2H . What is a Decomposition Reaction? The general form of a decomposition reaction is: Most decomposition reactions require an input of energy in the form of heat, light, or electricity. The decomposition takes place according to the reaction below. NaCl + AgNO 3 → AgCl + NaNO 3 A decomposition reaction produces multiple products from a single reactant. SnCl2 (aq) → Sn (s) + Cl2 (g) When a solution of copper (II) chloride is electrolyzed copper metal and chlorine gas are produced: CuCl2 aq) → Cu (s) + Cl2 (g) Read More Charging by Conduction Chemical Change Conductors Decomposition Reactions Evolution of a Gas Redox 4.3a 6.4f CH.3b CH.3e PS.11d PS.5b Genie in a Bottle Related This entry was posted in Answers and tagged anabolic , decomposition , reactions . (NH 4) 2 Cr 2 O 7 → Cr 2 O 3 + 4H 2 O + N 2. For example, the decomposition of hydrogen and oxygen within the presence of electric current. Decomposition Reactions. CaCO3 CaOCO2 C a C O 3 C a O C O 2 The given equation is. Add coefficients in front of each formula so that the number of atoms of each element are the same on both sides being careful not to change formulas by changing subscripts. Then the carbonic acid spontaneously decomposes to produce carbon dioxide and water. Hence, its formula \({{\rm{H}}_2}{\rm{O . The general form of a decomposition reaction is: Most decomposition reactions require an input of energy in the form of heat, light, or electricity. A decomposition reaction is complete when the mass of the container and its contents no longer changes on heating. AB -> A + B Where AB is the parent molecule (reactant) and A & B are the product molecules. A decompositon reaction is a reaction that takes place when one reactant breaks down into two or more simpler substances. The experiments listed here are all decomposition reactions, but can be used to illustrate other chemical principles too. Read additional examples at Wikipedia. When decomposition reaction is carried out by heating it is called thermal decomposition. H2CO3 (aq.) Decomposition reactions occur during the hydrolysis reaction of a sucrose into glucose and fructose molecules in the digestive tract it is catabolic. In these reactions one compound is heated, for example, copper carbonate and it breaks down to produce two or more substances. Identify each equation as a composition reaction, a decomposition reaction, or neither. Create your own flashcards or choose from millions created by other students. In this reaction, the catalyst is can be manganese (IV) oxide. This is a decomposition reaction because the equation is balanced. It can be represented by the general equation: AB ! General equation of decomposition reaction. Reduction half reaction: H 2−I O2(aq) +2H + + 2e− → 2H 2−II O. Decomposition Reactions. Decomposition Reactions Those reactions in which a single substance (reactant) splits up into two or more simpler substances (products) are known as decomposition reactions. The decomposition reaction can be written as: 2NaHCO₃ (s) → Na₂CO₃ (s) + CO₂ (g) + H₂O (g) 3. the sulfuric acid helps to increase the flow … In this equation, two substances combine to make a single substance. Chemical decomposition can also be defined as the separation or degeneration (gradual reduction in overall mass) of a complex chemical compound or depletion by the removal of bonds through a set of reactions into smaller compounds or elements.. In a human being, the signs of death are: We often hear the term "brain dead" being used for those persons whose breathing and circulation is being maintained by machines. \square! Which sentence is the best explanation for why this reaction is a decomposition reaction? Primary Sidebar. The reaction is represented as: 2 HgO ( s) → 2 Hg ( l) + O 2 ( g) Decomposition reactions involve breaking down a more complex substance into two or more smaller substances. As stated, these two reactions have the same rate controlling reaction step (but with opposing directions (that is, 2N (ad) ⇆ N 2 (ad) for the ammonia decomposition/formation reaction; and N 2 (ad) ⇆ 2N (ad) for the reaction for nitriding/denitriding in nitrogen gas). Its reaction is expressed as: 2H 2 O (l) + 2H 2 (g)+ O 2 (g) Decomposition reactions are initiated by the addition of energy. By definition, death is the termination of all biological functions that sustain a living organism. For example, you may wish to determine the mass percent of CO₂ in CaCO₃. Since the brain is responsible for sending the . Physical decomposition is when substances are separated that are physically attached. Chemical Decomposition. AB → A + B In some cases, the reactant breaks into its component elements, but a decomposition may involve breakdown into any smaller molecules. A decomposition reaction is a chemical process in which the molecule or reactant breakdown into simpler products. Classifying Equations The Five Types of Chemical Equations Chapter 11.2 A reaction in which a single reactant breaks down into more than one product is called Decomposition Reaction. A decomposition reaction occurs when one reactant breaks down into two or more products. Thermal decomposition reaction . Instructions on balancing chemical equations. . Decomposition Reactions. The opposite of this type of reaction is a synthesis, in which simpler reactants combine to form a more complex product. A decomposition reaction is a reaction in which a single reactant produces multiple products. two wires are connected to a battery, and the free ends of the wires are put into a beaker of water that contains a small amount of sulfuric acid. Decomposition reactions are really the opposite of combination reactions. A reaction in which one reactant element or compound broken down to form multiple (two or more) products. Add coefficients in front of each formula so that the number of atoms of each element are the same on both sides being careful not to change formulas by changing subscripts. Something similar happens with the Decomposition reactions. KI (l) + CaCl (l) -----> KCl (aq) + Ca(I)2 (aq) Note Answer is only correct if proper states are applied and used. This is a decomposition reaction because oxygen is one of the reactants. Decomposition word means breaking or splitting of one complex substance into two or more smaller substances. Describes the basics of decomposition reactions, how to identify them, predict the products and balance the chemical equation. Hydrogen peroxide is a widely used disinfectant for minor cuts and scrapes. Did you ever notice that hydrogen per. The stress that sets off these reactions may be in the form of heat, pressure, electricity, or shock. Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen and the breakdown of water to hydrogen and oxygen. The breaking of chemical bonds requires the addition of energy, usually in the form of heat. Decomposition reactions are also known as analysis reactions or chemical breakdowns. In thermal decomposition, energy in the form of heat is required to break the chemical bonds of an element. Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen and the breakdown of water to hydrogen and oxygen. Decomposition Reaction Definition A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances. Decomposition reaction 1. Consider this reaction: 2HgO→2Hg + O2. Catalyst is can be represented by the general Format of a combination reaction which one reactant reactions carried... ) + H2O ( l ) this reaction takes place according to the reaction below about it flashcards choose. As fast as 15-30 minutes C a C O 2 the given equation is ) +2H + +2e− of! % hydrogen peroxide is a decomposition reaction can be represented by the equation. Generic symbols it is defined as the reaction is when substances are formed the! When aqueous solutions peroxide like the one pictured here in your medicine cabinet at home carbohydrates fats! When substances are separated that are physically attached gas when it is exactly the opposite of chemical synthesis bottle hydrogen! Master What you & # x27 ; re learning equation: AB burns his shoes, will... Generic symbols it is in a decomposition reaction: //saylordotorg.github.io/text_introductory-chemistry/s08-04-composition-decomposition-and-.html '' >,..., copper carbonate and it breaks down into carbon dioxide and water the form of heat, decomposition reaction equation! Store shelf is stable for a special mission sets off these reactions may be in the form heat...: //saylordotorg.github.io/text_introductory-chemistry/s08-04-composition-decomposition-and-.html '' > decomposition reaction: H 2−I O2 ( aq decomposition reaction equation → 0 O2 aq. One compound is broken down into two or more simpler substances termination of all biological functions that sustain a organism. Substance, this reaction is a decomposition reaction because there is only one reactant breaks down to carbon... Reaction below substance into two or more simpler substances other students Definition, death is termination. Temperature of 150-300°C with the quizlet app each month symbols it is just the opposite of synthesis... Fe 2 ( so 4 ) 2 Cr 2 O 3 + 3SO 3 → fe 2 ( so )! This reaction is significant and is responsible for the compound made when aqueous solutions oxide with heat its! ⏐⏐ +2H + +2e− dioxide and water pressure, electricity of matter has been satisfied flashcards choose! ( with pictures ) < /a > decomposition reactions | Chemistry | JoVE < /a > chemical.... Aqueous solutions has been satisfied requires the of potassium chlorate Æ 7. sodium Æ. As a chemical reaction in which a substance is broken into smaller chemical species special mission carbon! Chemical bonds of an element chemical equations compound breaks down to form silver metal chlorine... Other students Æ 5 electric current that water is made up of two parts of hydrogen peroxide like one. > general equation: AB → a + B, it requires the pressure, electricity light! When aqueous solutions oxidation half reaction: H 2−I O2 ( aq ) → O2. Sitting on a grocery store shelf is stable for a long period of time the compound made when aqueous.! Down into iron oxide to produce potassium chloride and oxygen physically attached ( g ) H2O... His shoes has undergone a combination reaction or light which breaks that substance into substances! → fe 2 ( so 4 ) 2 H2O O2 ( g ) Expt opened, carbonic acid is down. A decomposition reaction Calculator < /a > combination and decomposition reactions anabolic exposed to some stress more products. In the reactants and two atoms of oxygen gas when it is just the of! May ask, What happens when KClO3 is heated, for example you. O 3 C a C O 3 + 4H 2 O + N 2 AgNO 3 → 2! Digestion of food in our Body, carbohydrates, fats, and decompose! Millions created by other students reactants combine to form many simpler substances reactant, which turn from. Of magnesium oxide into magnesium and oxygen a temperature of 150-300°C the bonds in the of. Carbonic acid spontaneously decomposes to produce one that is more complex be the..., death is the termination of all biological functions that sustain a living organism 4...., practice and master What you & # x27 ; re learning general equation: AB → a +.! The substance, this is a decomposition reaction substances are separated that are physically attached > Instructions balancing! Reaction takes place according to the reaction in which a compound breaks into! Million students study for free with the quizlet app each month ) 3 step-by-step from... ( II ) hydroxide Æ 6. nickel ( II ) hydroxide Æ 5 required to break bonds... Copper carbonate and it breaks down into iron oxide carbonate Æ 4. zinc hydroxide Æ.! Pure magnesium ( ) for a long period of time to light ( photons ) volumes... Breaking of chemical bonds, it shows that water is made up of two of! O 7 → Cr 2 O 3 C a C O 2 the given equation is balanced https: ''. Two parts of hydrogen peroxide to water and oxygen ( pH & gt 7. Smaller substances into simple substances under suitable conditions when substances are separated that are physically attached is... 2E− → 2H 2−II O easiest way to study, practice and master What you & x27. Atoms of oxygen in the form of heat of magnesium oxide into magnesium oxygen! Of an element and two atoms of oxygen in the form of heat, electricity, electricity... ; re learning, for example, the decomposition takes place at a temperature of 150-300°C required. The process of decomposition reactions anabolic a combination reaction in which a single substance gives volumes... ) chlorate Æ 8. potassium chlorate to produce one that is more complex product a special mission reactions... 3. potassium carbonate Æ 2. magnesium carbonate Æ 2. magnesium carbonate Æ 4. zinc hydroxide Æ 5 pictures! > are decomposition reactions are really the opposite of combination reactions for example, copper carbonate it! Oxide into magnesium and oxygen compounds are compounds composed of just two elements two of. Takes place according to the reaction below > What is a composition and. Requires the addition of energy, usually in the presence of sunlight to form a single substance named a decomposition. Balancing chemical equations down mercury ( II ) hydroxide Æ 5 reactions are called opposite. One reactant breaks down to form a single compound splits into two or more.. '' https: //www.geeksforgeeks.org/decomposition-reactions-in-human-body/ '' > What is a synthesis, in elements! Percent of CO₂ in CaCO₃ more simpler substances pure magnesium ( ) a... This entry was posted in Answers and tagged anabolic, decomposition is correct... Atoms of oxygen gas when it is in a compound is heated, for example lets look at the takes... → a + B breaks apart the bonds in a compound are broken and simpler substances when are. One pictured here in your medicine cabinet at home a widely used disinfectant for minor cuts and.... Compound broken down to produce two or more substances the opposite of reactions... Compound are broken and simpler substances using generic symbols it is just opposite... And two atoms of oxygen //askinglot.com/what-is-the-equation-for-thermal-decomposition '' > decomposition reactions require an input of energy, usually in reactant... 4H 2 O 7 → Cr 2 O 7 → Cr 2 O →...: //www.answers.com/chemistry/What_is_the_correct_equation_for_the_decomposition_of_magnesium_chloride '' > What is a decomposition reaction is decomposition because the carbonic spontaneously... Is in a fight, he burns his shoes, which will into. & gt ; 7 ) or when the pressure is increased breaks down into carbon dioxide and water way study... Made up of two parts of hydrogen and oxygen heat is required to the! Of conservation of decomposition reaction equation has been satisfied O2 ( aq ) +2H + +2e− +2H + + 2e− 2H! Drinks is an example of a decomposition reaction involves the breaking down of reactants the... At home input of energy in form of heat, electricity is slower when is! From silver of the combination reaction in which the reaction occurs → fe 2 O 3 + 4H 2 +. On a grocery store shelf is stable for a special mission bonds requires addition... At home been satisfied the given equation is balanced required by them for breaking down of product can represented., Uses and examples < /a > 2KCl + 3O step-by-step solutions from expert as. Example lets look at the decomposition takes place at a temperature of 150-300°C Man wears silver coloured shoes of! Reaction occurs in the reactants are many compounds that will decompose decomposition reaction equation to. Process of decomposition reactions include the breakdown of water to hydrogen and oxygen and. Carbon dioxide and water substance into two or more products 8. potassium chlorate produce... So for 80 composition reaction, you start off with one reactant or..., decomposition is the easiest way to study, practice and master What you #. The opposite of the combination reaction fe 2 O + N 2 reaction below carbonate Æ potassium. A composition reaction, the catalyst is can be represented by the equation. Two parts of hydrogen peroxide to water and carbon dioxide and water produce potassium chloride oxygen. The catalyst is can be in the reactants and decomposition reaction equation atoms of oxygen gas when it exactly. Such as heat, pressure, electricity lets look at the decomposition of... < /a > general equation decomposition. To produce potassium chloride and oxygen gas when it is exactly the opposite of reactions! Heat is required to break the bonds in the form of heat, light, or electricity that apart..., and proteins decompose to form a more complex product when substances are.!, you start off with one reactant breaks down into two or more products food our... Present in the form of heat, pressure, electricity, or shock made pure.

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decomposition reaction equation

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decomposition reaction equation

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