Identify the correctly written "formation reaction" among the following reactions. Hint: Recall the definition of a "formation reaction". O 2H2 (g)+ 02 (g)→ 2H20 (1) ON2 (g) + O2 (g)→2NO (g) O 2H2 (g) + O2 (g)→ 2H20 (g) 2C (s. graphite) + 2H2(s) →C2H4 (g) H20 (0+1/2 02 (g) → H202 (1)

Q: 6.24 Consider this reaction: 2CH;OH(I) + 302(g) 4H,O(1) + 2CO2(g) AH = -1452.8 kJ/mol

A: The given reaction is : 2CH3OH (l) + 3O2 (g) ---------> 4H2O (l) + 2CO2 (g) , ΔH = -1452.8 KJ/mol…

Q: Reaction 2: Solid sodium hydroxide reacts with aqueous hydrogen chloride solution to form water and…

A: Three exothermic  reactions involved in this neutralisation reaction are:- 1) dissolution of NaOH in…

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = –184.6 kJ Reaction 2: 20F2(g)…

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A: The given chemical reactions are: (1) N2g + O2g → 2NOg(2) 2NOg + O2g → 2NO2g ∆H value for the first…

Q: The reaction 2 Ti (s) + 3 I2 (g) –→2 Til3 (s) having AH = -839 kJ/mol is: (a) endothermic and, thus,…

A: Given, Chemical Reaction  2 Ti (s) + 3 I2(g) ---> 2 TiI3(s)  Change in enthalpy , ∆H = - 839…

Q: Solid lithium metal and diatomic nitrogen gas react spontaneously to form a solid product. Give the…

A: In a balanced chemical equation atoms on either side of the reaction arrow must be balanced.

Q: 1. Consider the reaction CaCO;(s) 2 CaO(s) + CO,(g). Should I perform this experiment in an open or…

A: The given reaction is,  CaCO3 (s) ←→ CaO (s)+CO2 (g)  Assume the equilibrium arrow as same as given…

Q: Magnesium solid and oxygen gas combine to produce Magnesium Oxide solid. _____(s)+______(g)=2MgO___…

A: 1)When magnesium reacts with oxygen, it produces light bright enough to blind you temporarily.…

Q: Calculate H for the reaction 1 N2(g) + 1 O2(g) → NO(g) 22 given the following information: As…

A: The enthalpy of a reaction is the amount of heat gained or released during the course of a reaction.…

Q: A chemist went on a trip to Japan to obtain a sample of chalcocite (copper (I) sulfide), one of the…

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Q: Which of the following is the formation reaction for Na2CO3 (s)?   A. 2 Na(s) + C(s, graphite) + 3…

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Q: Consider the reaction: S(3) + 02(g)SO;(g)

A: For a equilibrium reaction               a A   +   b B   <-->  c C +  d D       equlibrium…

Q: Write a balanced chemical equation for the standard formation reaction of liquid ethanol (C,H,OH).

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Q: Write a balanced chemical equation for the standard formation reaction of gaseous hydrogen bromide…

A: Standard enthalpy formation of reaction is tge formation of one mole of compound from its…

Q: 3. During the neutralization of hydrochloric acid, HClag), by sodium carbonate, Na,CO,), a gas is…

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Q: Which of the reactions are exothermic? 2 Mg(s) + O,(g) → 2 MgO(s) + heat NH, (g) + HCI(g) → NH,CI(s)…

A: If heat is produced as one of product then the reaction is exothermic. If heat is used as reactant…

Q: 2. Net Reaction: H2+0 H;0 2H: + O2 2H20 +576 KJ 20 +495 KJ

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Q: From the following reactions, determine the reactions that are exothermic. (i) F(g)+e¯ →F¯(8) (ii)…

A: i) F (g) + e- ------> F- (g) Electron affinity is defined as the amount of energy released by…

Q: A diamond is said to last forever. Many believe this eternal existence is related to its hardness…

A: Diamond is an allotrope of carbon. It is a solid form of carbon with its atoms ordered in a crystal…

Q: Consider the reaction H2(g) + %O2(g) – H20() AH° = -286 kJ Which of the following is true? The…

A: Exothermic reaction Reaction in which heat released   Endothermic reaction Reaction in which heat…

Q: Which of the following reactions notate the formation reaction of CO(g)? a. C(s) + O(g) → CO(g) b.…

A: The formation reaction is the reaction between the elements in the compound. Formation reactions…

Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the…

A: A balanced equation should have same number of atoms on both sides of the equation.

Q: Which of the reactions are exothermic? 2 Mg(s) + 0,(g) → 2 MgO(s)+heat O NH, (g)+HCl(g) →…

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Q: Which of the following represents the correct formation reaction for ethene gas, C2H4? Reaction A:…

A: Interpretation- To identify correct reaction for formation of ethene gas

Q: Write the formation reaction for each of the following substances: (Be sure to specify states such…

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Q: A particular reaction was performed in a test tube. The student observed that the sides of the test…

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Q: In the following equation for a chemical reaction, the notation (s), (1), or (g) indicates whether…

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Q: Lead (Pb) has been used for centuries. The Romans used it in their plumbing systems - the symbol for…

A: An exothermic reaction is the reaction in which energy is evolved in products.  But an endothermic…

Q: Which of the reactions are exothermic? 2 Mg(s)+O,(g) 2 MgO(s) + heat NH3 (g) + HC1(g) NH,C1(s) +…

A: Exothermic is the process or reaction that releases energy in the form of heat. Another way of…

Q: The thermite reaction, used for welding iron, is the reaction of FegO4 with Al. 8 Al (s) + 3 Fe3O4…

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Q: Consider the synthesis of sulphur trioxide from its elements at 25°C: S8(s) + 30za) 2503 (g)

A: Given reaction is :  Change in entropy of surrounding = ∆Ssurr = ?  Change in entropy of universe =…

Q: Which of the following is the formation reaction for Na2CO3 (s)?   A. 2 Na(s) + C(s, graphite) + 3…

A: To give this answer we should know the characteristics of heat of formation reaction for Na2CO3:…

Q: = H

A: Given 2H2O2 (aq) → 2 H2O(l) + O2(g) To find : Draw the products formed in above reaction. Solution:…

Q: The copper mineral chalcocite, Cu2S, can be converted to copper simply by heating in air:

A: 1) according to equation  1 mole Cu2S   give 2 mole Cu  So for 1 mole Cu , 0.5 mole of Cu2S is…

Q: CH, CH,CI AICI,

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Q: 1. Calcium carbonate breaks down into calcium oxide and carbon dioxide CaCO3 (s) → CaO (s) + CO2 (g)…

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Q: For the following questions: Predict the products. Balance the chemical reaction. Add states of…

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Q: A student dissolves 15.0 g of ammonium nitrate (NH,NO) in 250. g of water in a well-insulated open…

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Q: For the following reaction - H3PO2 (aq) →  Predict the products. Balance the chemical reaction.…

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Q: Train track rails are joined using an exothermic welding process. A mixture of iron (III) oxide…

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Q: Write the formation reaction for each of the following substances: (Be sure to specify states such…

A: The chemical reaction in which one mole of the substance is formed from its constituent elements in…

Q: For the reaction : Al(s) / Al+°(aq) // Mg+2(aq) / Mg(s) the amount of electrical energy is O -1,900…

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Q: Consider a reaction between: AgClO4 and NaCl. A: NaClO4(s) B: AgCl(s) C: AgClO4 (s), Cl2(g) D: no…

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Q: ndothermic reaction a. The reaction absorbs heat. b. The amount of enthalpy change is-140 Kj c. Ha +…

A: 1)  a) the reaction absorbs heat = endothermic  reaction. (In endothermic reactions ,the heat is…

Q: What is the formation reaction of HCl (g)?  Group of answer choices A.No answer text provided. B.2…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Write a balanced equation for the formation reaction of each of the following substances: (a)…

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Q: Choose the formation reaction that represents for liquid methanol (CH3OH):       a.  CH3OH(l)   →…

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Q: Write one equation each for decomposition reactions where energy is supplied in the form of heat,…

A: Decomposition reactions are those types of reactions in which the chemical compound decomposes or…

Q: 3Al(s)+3NH4ClO4(s)→Al2O3(s)+AlCl3(s)+3NO(g)+6H2O(g) Calculate ΔH° for this reaction. Substance and…

A: Delta Ho rxn = Delta Ho products- Delta Ho reactants

Q: The chemical reaction CaO + H2O → Ca(OH)2 is exothermic. This means that: O A. the reaction releases…

A: The given reaction is : CaO + H2O ---------------> Ca(OH)2  Given this reaction is an exothermic…