Determine whether each description corresponds to an endothermic reaction or an exothermic reaction. Heat is a reactant in the reaction. Exothermic The reaction mixture feels cool from the outside. Endothermic - Heat is a product in the reaction. Endothermic The reaction mixture feels warm from the outside. Exothermic

Q: The combustion of octane is an exothermic reaction. Which statement is true for an exothermic…

A: The true statement for exothermic reaction is

Q: Endothermic because the energy of the products is higher than the energy of the reactants…

A: We are given the above graph between Potential energy and reaction co-ordinates.

Q: Differentiate between an exothermic and an endothermic reaction. Give two concrete examples of each

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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 reaction taking place is given as, => A + B -----> C + D And the energy profile of the…

Q: What happens to the energy of the system during a chemical reaction? *   A. The energy of the system…

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Q: Consider these reactions: Reaction 1: H2 (9) + Cl2 (g) → 2HC1(9) AH=-184.6 kJ %3D Reaction 2: 20F2…

A: ->If ∆H = +ve => reaction is endothermic reaction ->if ∆H = ,-ve => reaction is…

Q: What kind of reaction happens when a material's energy is released and heat is produced? Endothermic…

A: When energy is released and heat is produced during a chemical reaction, it is called an exothermic…

Q: What happens if you add heat to an exothermic reaction?

A: An exothermic reaction generates heat. if we add more heat, its temperature increases. For an…

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: Choose whether the following statement is ENDOTHERMIC or EXOTHERMIC: A flask containing a reaction…

A: Reaction can be of two type : Endothermic and exothermic.

Q: Exothermic Reactions: Reactants= products + ______

A: • Exothermic reaction is a chemical reaction that  releases   energy in the form of heat or light.…

Q: Use the following equation to answer the question. PCI5 PCI3 + Cl2 + Heat ---> Which of the…

A: As per Le Chatelier's principle, if any change is made in a chemical reaction like concentration of…

Q: Champagne is poured cold into cold glasses because it would go "flat" (dissolved CO2 bubbles come…

A: The question is based on dissolution of gas. it also involves the application of le- chatelier…

Q: What is an exothermic reaction? The energy of the reactants is lower than the energy of the…

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Q: Which statement is true about endothermic and exothermic reactions?  Energy is absorbed in an…

A: Exothermic reactions are the reactions in which energy is released from the system to the…

Q: Indicate whether the reaction is exothermic or endothermic Cs2() + 3C12(g) → CCI4() + S2C1½() AH° =…

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Q: Describe the similarities and differences in the energy profiles for exothermic and endothermic…

A: Exothermic reaction are the chemical reactions in which energy is released and Endothermic reactions…

Q: The temperature is raised. Heat can be considered a reactant in an exothe reaction will shift to the…

A: In exothermic reaction heat is produced, means heat is released in product.so, heat can be…

Q: Interpret these equations in terms of the relative number of moles of each substance involved and…

A: Balanced equations of three different reactions, which are to be distinguished with their exothermic…

Q: The energy level diagram for the reaction between P and Q to form R and S is shown. P+ Q energy R+S…

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Q: Which phrase best describes exothermic reaction

A: For any chemical reaction to occur there is a need for energy.

Q: 3. A log burns in a fireplace, warming the room. Is this an exothermic or an endothermic reaction?…

A: When a log is burning in presence of oxygen, it evolves heat. Acid base reaction where one axid…

Q: Which of the following is a correct explanation for the graph shown below? A +B Reaction Coordinate…

A: An endothermic process is any process with an increase in the enthalpy H of the system.

Q: e exothermic reactions:

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Q: The energy changes in chemical reactions occurs when atoms _____ to form new substances. dissociate…

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Q: w can you consider heat as a reaction component?     Heat is always a product.     Heat is a…

A: Here we have to tell how heat can be considered as reaction component.

Q: 4. The reaction: 4 Al (s) + 3 02 (g) → 2 Al203 (s) ; AH° = -3351 kJ Is and therefore heat is by the…

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Q: Certain chemical reactions are endothermic while others are exothermic. In each of the following…

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Q: What is conservation of energy and how does it relate to chemical reactions?

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Q: Which of the following are exothermic reactions and which are endothermic? (a) the burning of…

A: •EXOTHERMIC REACTION:- Exothermic reaction are those reactions which produces heat and their…

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

A: Dear student, this question is related to energy diagram.

Q: Classify the reactions as either endothermic or exothermic. Endothermic Exothermic Answer Bank the…

A: An exothermic process releases heat, causing the temperature of the immediate surroundings to rise.…

Q: When someone is injured, responding medical personnel may use either hot packs or cold packs to…

A: Cold packs are made up of water and a solid compound usually ammonium nitrate and these both are…

Q: Classify the reactions as either endothermic or exothermic. Endothermic Exothermic Answer Bank the…

A: Endothermic reactions are those  in which heat is absorbed  during the reaction.   An exothermic…

Q: Endothermic Reactions: reactants + _______= products

A: Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the…

Q: On an endothermic potential energy diagram, what is true for all products? The products are at the…

A: The potential energy diagram is the representation of energy changes that occur during the progress…

Q: energy diagram graph representing an endothermic

A: Endothermic reactions are those reactions in which heat is absorbed.  Exothermic reactions are those…

Q: Fill in the blanks with the correct words: In endothermic reactions energy (heat) is reactions…

A: The importance of chemical reactions cannot be overstated. When one substance reacts with another to…

Q: True or False. Refer to the illustration showing kinetic energy distributions in reactant molecules.…

A: The kinetic energy of the reactant molecules distributed in a wide range. The given graph represents…

Q: Consider the potential energy diagram shown below. This graph shows the chemical potential energy in…

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Q: Describe an example of an exothermic reaction.

A: An exothermic reaction can be defined as the reaction that releases large amount of heat.

Q: Indicate whether the reaction is exothermic or endothermic N204 (g) → 2NO2(g) AH® = +58.0k)

A: Exothermic reaction ; The Chemical reaction in which the some amount of heat is released in the…

Q: Give one chemical reaction that is considered an exothermic reaction and another one that is…

A: Importance of this exothermic reaction: 1. Very important greenhouse gas to trap heat in the earth's…

Q: Explain why an exothermic chemical reaction both requires and releases energy. Your answer should…

A: Exothermic reactions are those reactions which release energy in the surroundings due to the…

Q: Name the reaction and the reactants

A: The first reaction demonstrates dehydration of alcohol. The alcohol which has been used as the…

Q: What sort of reaction occurs when energy is released from a material and heat is produced?…

A: Given,  What sort of reaction occurs when energy is released from a material and heat is produced =…

Q: PLEASE help me What is an exothermic Reaction? What is an endothermic reaction?

A: Endothermic reaction: In an endothermic reaction , heat is required for the reaction to occur.…

Q: create a potential energy diagram for H-H+CI-CI--->H-CI+H-CI Label the products, reactants, ∆H, and…

A: A chemical reaction occurs when two or more react and give desired products. The reactants are…

Q: Do each of the following statements describe an endothermic or exothermic reaction? a. ΔH is a…

A: Both exothermic and endothermic reactions involve transfer of energy. Furthermore, endothermic…