For the following reaction, is the exothermic or endothermic, and does this reaction absorb or release energy?  N2 (g)   +   O2 (g)    →    2 NO (g)             Delta Hrxn = + 180.6 kJ a. none of these b. endothermic and releases energy c. exothermic and releases energy d. endothermic and absorbs energy e. exothermic and absorbs energy

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

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Q: Sketch the energy diagram representingthe reaction MgCl2(s)¡Mg(s) +Cl2(g) knowing that the internal…

A: The given reaction is MgCl2 (s) → Mg (s) + Cl2 (g) The internal energy for products Mg (s) and Cl2…

Q: CHĄ(9) + H20(g) + energy → 3H2(g) + CO(g) Identify each of the following as a product or a reactant:…

A: In a chemical reaction, we write the reactants on the left-hand side of the arrow mark and the…

Q: U sing Hess's law, what is ΔH°rxn for the following reaction? WO3(s) + 3H2(g) → W(s) +…

A: Given,  2W(s) + 3O2(g) → 2WO3(s)  ΔH°rxn = –1685.8 kJ/mol   2H2(g) + O2(g) → 2H2O(g)  ΔH°rxn =…

Q: For the following chemical reaction determine the heat of reaction (Bond enthalpy). Is this reaction…

A: First Calculate the bond breaking energy ( in Reactant side ) :   ∆H(Reactant) = [ 4∆H(C-H) +…

Q: Consider the reaction, which is exothermic as written, PCl5(g)  PCl3(g) + Cl2(g).  Which of the…

A: Given: PCl5(g) ----> PCl3(g) + Cl2(g) Le Chatelier's principle: When a change is applied to a…

Q: When energy is a reactant in a chemical reaction, the reaction is said to be O neothermic O…

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

Q: Consider a hypothetical chemical reaction: A +B → C+D (In this equation A, B, C and D stand for some…

A: The given chemical reaction is as follows: A + B → C + D The reaction profile diagram tells us about…

Q: Classify the following reactions as endothermic or exothermic: a. Cas) + Clzig) → CaCla(e) b. H2O) +…

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Q: A+B → C+D (In this equation A, B, C and D stand for some unknown chemical formulas.) Here is an…

A: Exothermic reaction is the reaction in which heat is evolved while during endothermic reaction, heat…

Q: What do you call the type of chemical reaction in which heat is absorbed? Select one: a. Exothermic…

A: When the reaction mixture gives out heat to the surrounding then it is called as an exothermic…

Q: 12. For the endothermic reaction HBrg) + heat → Br2g) + Hz() when the temperature is increased which…

A: Answer:- This question is answered by using the simple concept of change in equilibrium direction on…

Q: When the temperature is decreased, how would you describe a chemical reaction that produces heat?…

A: Chemical reactions are two types based on whether they release or absorb heat.  When a chemical…

Q: 1. What is a reversible reaction? A Reversible reaction is a reaction in which the conversion of…

A: 2. Out of the given options a to d, the reaction given in d. is correct representation of a…

Q: Surrounding Reaction A Reaction B Temperature Initial Temp 25.1°C 25.1°C Final Temp 30.2°C 20.0°C…

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Q: The reaction 4Al (s) + 302 (g) → 2 Al,O3 (s) AH° = -3351 kJ %3D is and therefore heat is by the…

A: The reaction in which heat release in the form of energy into the environment, is called an…

Q: What is the source of energy that causes the reaction to continue in an endothermic reaction?…

A: Endothermic Reactions The reaction in which energy is required to convert reactants into products is…

Q: How to determine if the reaction moves to the right or left (toward products or reactants)? a/ N2O4…

A: If the the change in gibb's free energy is negative then the reaction will proceed towards right…

Q: 19. The reaction 4Al(s) + 302(g) → 2AI2O3(s) AH° = -3351 kJ is and therefore heat is by the…

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Q: Reactions involving catalysts can be: O only exothermic O only ectothermic O either exothermic or…

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Q: The ionic compound calcium chloride, CaCl2, dissolves very well in water, with a maximum solubility…

A: CaCl2 is composed of one calcium atom and two chlorine atoms which is prepared by various methods,…

Q: Indicate whether the reaction is exothermic or endothermic 2 NaN3(s) → 2Na(s) + 3N2(g) AH = + 42.7k)

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Q: The formation of water is an exothermic reaction:      2H2 (g) + O2 (g) à 2H2O (g)   a)    For an…

A: Balanced Reaction for the formation of water  2H2 (g) + O2 (g) --> 2H2O (g)  Hydrogen gas and…

Q: 4) Which reaction is endothermic? Exothermic? Explain your answer. cvecse Reactants A LB Products…

A: Since you have asked a question with multiple sub-parts, we will solve the first three sub-parts for…

Q: Consider the reaction shown: H2 + 12 2 HI + 2.2 kcal We can say that this reaction is and that the…

A: A reaction in which heat is released is called an exothermic reaction

Q: The temperature of the surrounding increases during a chemical reaction. Was the reaction endo- or…

A: The chemical reactions which are accompanied by the absorption of heat are known as endothermic…

Q: Consider a hypothetical chemical reaction: A+B → C+D (In this equation A, B, C and D stand for some…

A: The reaction in which heat is released is known as exothermic reaction whereas the reaction in which…

Q: 7. For the energy diagrams shown below, which reaction is the most exothermic. Ren 20 20 Reaction…

A: EXOTHERMIC REACTION  An exothermic reaction is a type of reaction where energy is released in the…

Q: Conside pothetical chemical reaction: A+B C+D (In this equation 4, B, C and D stand for some unknown…

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Q: 16. Use the following decomposition reaction to answer the following questions: 2H,0(g) + heat →…

A: Endothermic reaction is in which energy is given to the reactants. Exothermic reaction in which…

Q: H,S(g) + 2H0(1) + energy 3H,(g) + So,(g) Identify each of the following as a product or a reactant:…

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Q: 2NO2 (g) ↔ N2O4 (g) 30 mL of NO2 gas is compressed in a syringe to 15 mL. Is this reaction…

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Q: Consider a hypothetical chemical reaction: A+B C+D (In this equation A, B, C and D stand for some…

A: The given hypothetical reaction : A + B → C + D

Q: Which of the reactions below is an exothermic process and a combustion reaction Al>O3(s) +3…

A: The reaction D is a combustion reaction and also an exothermic reaction.

Q: Increasing the temperature of an exothermic reaction results in __________ I. More products and…

A: According to Le chatelier's principle :  1) On increasing the temperature of exothermic reaction,…

Q: Which reactions are exothermic?   Reaction 1: C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(l) + 2220 kJ…

A: in any reaction  in which energy is released is said to be exothermic reaction.

Q: For the reactions, Sn (s) + Cl2(g) → SnCl2s) +84 kcal SnCl2(s) + Cl2(g) → SnCls) +47 kcal Find the…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: In the following reaction AH° = -3351 kJ is reaction. 11. and therefore heat is by the 4Al (s) + 30,…

A: Exothermic reactions are those in which energy is released during the reaction  whereas endothermic…

Q: In Question 4 what is the value of AH in kJ for each of the three given reactions as well as the…

A: Enthalpy of formation of the reaction is mathematically expressed as ∆Hrxn=∆Hproducts-∆Hreactants

Q: B2H6  +  3O2  ---------->  B2O3  +  3H20     delta H (-2035 kJ)      Is this an exothermic reaction,…

A: • Endothermic reaction is a chemical reaction that absorbs heat energy from the surrounding. The…

Q: Write a balanced equation for each reaction. Do not include stafes of matter to your equation. H2…

A: A chemical equation is said to be balanced when equal number of atoms of the elements involved in…

Q: O exothermic Is this reaction exothermic, endothermic, or neither? endothermic neither If you said…

A: Mass of water (m) = 1300 g  Initial temperature of water = Ti = 13.00°C Final temperature of water =…

Q: Given the following exothermic reaction : Fe3+(aq)+SCN-(aq) FeSCN2+(a1), what will cause the…

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Q: D. H20 (s) –> H2O (I) AHo = 6.01KJ/mol| 1. This reaction depicts the 2. Is this reaction endothermic…

A: GivenH2O (s) → H2O (l)∆H∘ = 6.01 kJ/mol

Q: The energy released by a reaction is 657 kJ/mol. Is this reaction endothermic or exothermic? Please…

A: Given: Amount of energy released by reaction = 657 KJ/mol.

Q: what is the keq expression of the equation BaSO4 (s) ---> BaO (s) + SO3 (g)

A: The given reaction in equilibrium is:  BaSO4 (s) ⇌ BaO (s) + SO3 (g)

Q: Which of the following reactions represents an endothermic reaction? O2 SO3 (g) + 198 kJ → 2 SO2 (3)…

A: In endothermic reaction energy is absorbed , energy will appear in reactant side.

Q: Give examples of exothermic and endothermic reactions.

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Q: The balanced equations for two reactions are shown. (1) CH4 + N2 + H2 → CH3N + NH3 (2) CH4 + I2 →…

A: Thermodynamics is branch of chemistry in which we deal with the heat of reaction. Heat of reaction…

Q: exothermic Is this reaction exothermic, endothermic, or neither? endothermic neither If you said the…

A: a) Now, after the combustion of acetaldehyde in bomb calorimeter, the temperature of water rises…