A) Replacement Of Water B) Combustion of water c) decomp… carriey carriey 11/15/2016 Chemistry Middle School What reaction would the chemical equation 2H2O --> 2H2+O2 represent? 2H2O2 --> O2 + 2H2O. a. 1. Favourite answer. A catalyst is: A. a solid product of a reaction. 1- decomposition reaction 2- combination reaction 3- single displacement reaction 4- redox reaction-1 ; View Full Answer 1.) Want to see this answer and more? Chemistry. _____ 2nd reaction: This reaction is … Decomposition == single reactant. d. 2H2 + O2 -> H2O . Answer: 3 question Given the balanced equation representing a reaction: 2H2 + O2 -> 2H2O + energy Which type of reaction is represented by this equation? Identify the type of reaction in the following: Fe + CuSO4(aq) = FeSO4(aq) + Cu(s) 2H2 + O2 = 2H2O 2 See answers Brainly User Brainly User Answer: 1st reaction: This reaction is an example of Displacement reaction. 8 years ago. You can identify one of the simple reaction types by a basic pattern. You can use parenthesis or brackets []. oxidation means increase inn oxidation number and reduction means decrease in oxidation number. a. synthesis. rajbishnoi4791 rajbishnoi4791 08.08.2020 Chemistry Secondary School +5 pts. 2 H 2 O 2 → 2 H 2 O + O 2 is an example of disproportionation reaction. The hydrogen nucleus loses protons. Ask your question. Each electron associated with a hydrogen atom is shared with an oxygen atom. Medium. Join now. d.) Decomposition. The equation 2H2 + O2 ® 2H2O is which type of reaction? 2H2O(g) → 2H2(g) + O2(g) Which of the following statements must be true? Share with your friends. Solved: 2H2 + O2 --> 2H2O can be classified as what type of reaction? THE MECHANISM OF THE CATALYTIC ACTION OF PLATINUM IN THE REACTIONS 2CO + 0, = 2C0, and 2H2+ 0, = aH,O. - the answers to estudyassistant.com 2H2O + energy -> 2H2 + O2 1 a combustion reaction 2 a synthesis reaction 3 a decomposition reaction 4 a displacement reaction 1) It's unbalanced. AB --> A+B. What type of reaction is represented by the following chemical equation? g. Log in for more information. now here in this reaction hydrogen and oxygen being in molecular state has by default oxidation number as 0(zero). That is, when H2O(g) is introduced into a . 2H₂ + O₂ 2H₂O Let's check the numbers. CaO + H2O ---> Ca(OH)2. The reaction 2 H 2 O 2 → 2 H 2 O + O 2 is a disproportionation reaction. Question. 2. 2H2 + O2 - > 2H2O can be classified as : synthesis reaction. b.) Mg + O2 --> MgO. I balanced it and got this: 2H2+O2>>>2H2O. A. pisgahchemist. 2H2(g) + O2(g) → 2H2O(l) H2(g) + F2(g) → 2HF(g) In the final chemical equation, HF and O2 are the products that are formed through the reaction between H2O and F2. Decomposition reaction examples. Log in. Synthesis Reaction examples. Classify each of the following reaction by its type 2KNO3=2KNO2+O2 Ca(OH)2+2CO2=Ca(HCO3)2 2NaBa+Cl2=2NaCl+Br2 2H2O=2H2+O2. Log in. Decomposition reaction examples. One molecule of hydrogen peroxide is oxidized to oxygen and the second molecule of hydrogen peroxide is … C4H12 + 7O2 6H2O + 4CO2 ( There are 2 compounds,so it is not a combination reaction) 2H2 + O2 2H2O ( There is a single compound,so it is a combination reaction) Al2S3 2Al + 3S ( There are two compuns and a single reactant,so it is a decomposition reaction) Cl2 + 2KBr 2KCl + Br2 ( There are 2 compounds,so it is not a combination reaction) ANSWER : 2H2 + O2 2H2O Thanks … Why these answers are so? CintiaSalazar CintiaSalazar Answer: It is a decomposition reaction. The reaction between hydrogen and oxygen in contact with a platinum surface has 2H2O -> 2H2 + O2 is a decomposition reaction. Decomposition reaction is a chemical reaction in which one reactant gives two or more than two products on absorption of energy. 3.. Direct Combination. 2H2 + O2 --> 2H2O. 1. A balanced chemical equation obeys the Law of Conservation of Mass if there are the same numbers of each type of atom on each side of the reaction arrow. Relevance. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. 2H2O--->2H2 + O2 is a redox reaction because electrons are exchanged during electrolysis. 2H2(g) + O2(g) -> 2H2O(l) + 571.6kJ? A) Replacement Of Water B) Combustion of water c) decomposition of … Lv 7. 2Na + 2HC1-->2NaCl + H2 + heat. Ask your question. Relevance. Replace immutable groups in compounds to avoid ambiguity. Synthesis == single product. 1 Answer. Easter Cupcake Ideas; Mother’s Day Cupcake Ideas; Halloween Cupcake Ideas; ch4+2o2=co2+2h2o type of reaction February 11, 2021 by 1- For this reaction 2H2 + O2 = 2H2O a- dela H=delta Hf b-delta Hc= delta Hf c- delta H= delta Hc d- delta S= delta H and the answer is b , but how and why? Types of Redox Reactions. Learn vocabulary, terms, and more with flashcards, games, and other study tools. K + Cl2 --> KCl. Heat is released in the reaction… Lv 7. 1. Which of the following is true regarding single-displacement reactions? Answer Save. Updated 232 … Question. Check out a sample Q&A here. In a sealed vessel xenon tetrafluoride, XeF4, reacts with hydrogen gas to give xenon gas and hydrogen fluoride gas. What type of reaction is shown in the following chemical equation: 2H2O → 2H2 + O2? Answer Save. d.) Decomposition . 2H2 + O2----->2H2O is which type reaction Get the answers you need, now! The reaction will not occur. is a reaction in which two or more substances react to form a single substance. Double replacement . The electrolysis of water has the equation 2H2O (l) 2H2 (g) O2 (g) is a decomposition reaction. Put a 2 in front of O2. 2H2+o2->2H2o What changes occur in the reaction indicated by the equation? 4H2 + 2O2 -> 4H2O c. H2 + H2 + O2 -> H2O + H2O d. 2H2 + O2 -> H2O. Explain your answer. The reaction is slow. Just follow the model AB -> A+B. The equation MgCO3 ® MgO + CO2 is which type of reaction? Want to see the step-by-step answer? Displacement reactions are those reactions in which a highly reactive element displaces a less reactive element from its solution. CH4 + O2-->CO2 + 2H2O. 2- For this reaction 2S + 3O2 = 2SO3 + 792 kJ which of the following . If O2 was the excess reagent 8.3 mol of H2S were consumed and 137.1 g of water were collected after the reaction … * Example: hydrogen and oxygen combine and make water- 2H2+O2→ 2H2O * 2 molecules of hydrogen are needed to react with 1 molecule of oxygen to form 2 molecules of water. 9 years ago. Having trouble figuring out the type of reaction of this chemical reaction. Identify the information in this equation that indicates the reaction is exothermic . c.) Single replacement. Find an answer to your question What reaction would the chemical equation 2H2O --> 2H2+O2 represent? 2. 2.explain why the entropy of the system decreases as the reaction proceeds. B. Compound states [like (s) (aq) or (g)] are not required. 2HgO --> 2Hg + O2. 2 See answers MathPhys MathPhys Answer: Decomposition. Double replacement . a.) 3 years ago. Double replacement == … In which type of reaction do two or more compounds react to form one product? a.) Single replacement == element + compound on each side . 2H2 + O2 - > 2H2O can be classified as what type of reaction? * See Answer *Response times vary by subject and … Answer to: Which of these chemical equations describes a precipitation reaction? It can also be described a reaction showing how H2O2 acts as a reducing agent Join now. Explanation: A reaction in which one compound breaks up into two or more compounds is called a decomposition reaction. * Example: When water decomposes, it makes hydrogen and oxygen gas- 2H2O-->2H2+O2 * 2 … It's like breaking apart a chemical lego spaceship. first equation by 2 and reversing it. The following reaction has a positive value of ΔG°. Direct Combination. Anyone know the answers to these questions? 1. hcbiochem. It is decomposition of hydrogen peroxide into oxygen. Explanation: In a decomposition reaction… b.) Synthesis Reaction examples. What type of reaction is 2H2 + O2 → 2H2O check_circle Expert Answer. 2. 4 Answers. Atom On the left On the right H 4 4 O 2 2 We have the same numbers of H and O atoms on each side of the reaction arrow. Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes! AB-->A+B * More than one molecule of water is needed to start the reaction. Before you can add these intermediate chemical equations, you need to alter them by multiplying the... second equation by 2 and reversing the first equation. Answer Save. The equation Zn + CuSO4 ® ZnSO4 + Cu is which type of reaction… Synthesis is a chemical reaction in which two or more reactants combine to combine to give a single product. 2H2 + O2 - > 2H2O can be classified as what type of reaction? weegy; Answer; Search; More; Help; Account; Feed; Signup; Log In ; Question and answer. See Answer. chemistry. The oxygen nucleus gains protons. How To Balance Equations Share 0. Decomposition. Question 6 The following reaction is called _____. THE MECHANISM OF THE CATALYTIC ACTION OF PLATINUM IN THE REACTIONS 2CO + 0, = 2C0, and 2H2+ 0, = aH,O. 1. (Type in balancing equation … Consider the following reaction: 2H2S(g)+3O2(g) yields 2SO2(g) +2H2O(g). Check all that apply. BY IRVINGLANGMUIR. … Decomposition reaction examples. a. a. only one product is formed … PeaceAndLover48. 3. c.) Single replacement. A. a. synthesis b. decomposition c. combustion d. single-displacement. Relevance. Decomposition is always breaking apart. 2H2 + O2 -> 2H2O b. A decomposition reaction occurs when a large compound reacts and splits into one or more smaller compounds/elements. yes it is. Decomposition. What type of reaction is 2h2o-> 2h2+o2? Favourite answer. What type of reaction is 2H2 + O2 → 2H2O. The reaction is exothermic because "heat" is shown as a product of the reaction. Synthesis Reaction . 2 Answers. 2H2O2 → 2H2O + O2 is an exa... chemistry. Answer to: What is the percent yield of a reaction that produces 27 g of water from 4.0 g of H2 and excess O2? Asked 1/30/2017 9:38:50 AM. Start studying Chemistry (Classification of Chemical Reactions). Answer. If true enter 1, else enter 0. The bond in H2 is broken, and new bonds are formed between hydrogen and oxygen atoms.