In an exothermic reaction: The surroundings absorb heat from the reaction mixture. The surroundings release heat to the reaction mixture. Both the reaction mixture and the surroundings release heat. None of the above.

Q: What is it called when the final temperature of your Solid and the water are equal? (Calorimetry)

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Q: HNO, H,SO, KMno, H (b) 1. Fe, HCI 2. NaOH NaNO, HCI (4) HO, heat (e) (a) CHOH, H mehybaraben

A: Toulene upon nitration p-nitro toulene is formed  Alkyl benzene upon oxidation with KMnO4 gives…

Q: Which is an example of an endothermic reaction

A: Endomthermic reaction is  a type of chemical reaction in which heat or thermal energy is absorbed by…

Q: Explain Endothermic and exothermic reactions?

A: Reactions which absorbs energy during reaction are endothermic  .

Q: energy threshold

A: Threshold Energy is the minimum energy that the molecules must have in order to bring about…

Q: Which type has a single compound as a reactant?

A: A→ B + C Where, A is the reactant. B and C are the products.

Q: Fire is an example of X a. exothermic; entering b. exothermic; leaving c. endothermic; entering d.…

A: Exothermic reaction and endothermic reaction: Exothermic reaction : Exothermic reactions are…

Q: Heat is evolved diving: (a) Endothermic Reaction(b) Displacement Reaction(c) Combustion Reaction(d)…

A: Before looking at the options, it is important to understand the types of reaction given here. (a)…

Q: What are the significant concepts about balancing chemical reactions?

A: 1. Balananced chemical equation obeys Law of conservation of mass.  2. Which states that mass is…

Q: (Calorimetry)

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Q: Write an equation for the following reaction. Balance it. Include the state of matter for each…

A: We have to balance this reaction  Type of reaction =?

Q: What kinds of substances does water chemically react? What happens to the average kinetic energy of…

A: What kinds of substances does water chemically react = ?

Q: Which diagrams are exothermic reactions?

A: The answer to the following question is -

Q: Can you conclude that heat is always noticeably released in a chemical reaction?

A: Can you conclude that heat is always noticeably released in a chemical reaction?  answer of the…

Q: Why is it important to give the physical states of the reactants and productswhen giving an equation…

A: While giving the ΔH of the reaction it is important to mention the physical states of the reactants…

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 diagram represents one type of chemical reaction. products reactants Direction of reaction •…

A: From the energy gap between reactant and product we can solve this question.

Q: how to know if a final reaction is endothermic or exothermic?

A: To know the final reaction is exothermic or endothermic.  1) Thermodynamic analysis :- For an…

Q: what are the differences between an Exothermic Reaction and an Endothermic Reaction?

A: Differences between an Exothermic Reaction and an Endothermic Reaction:

Q: 2 SO2 (g) + 2 H2O (1) > 2 H2S (g) + 3 O2 (g) AHrxn 1124 mol a. Is this reaction exothermic or…

A: (a) ∆Hrxn  is basically the change in enthalpy of reaction , if ∆Hrxn is positive it means that…

Q: How can you tell if a reaction is endothermic or exothermic from an equation. Please list as many…

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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: does one write a balanced equation for a chemical reaction that included energy changes

A: Balanced chemical reaction is written with energy   change is called Thermochemical reaction.  For…

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

A: We have to predict correct the reason for cooling of test tube.

Q: In the reaction of hydrogen gas and oxygen gas to form water, the glowing splint provides _________…

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Q: Which of the following best describes exothermic chemical reactions? O. They never occur…

A: Exothermic reaction = Reaction in which heat is given away to surrounding is called as a exothermic…

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: Explain in detail the endothermic and exothermic chemical reactions. Describe each using energy…

A: Explained as follows

Q: In a combustion reaction, one of the reactants is always

A: Combustion reaction involves burning of substance.

Q: Why are  combustion reaction important? Give an example.

A: Why are combustion reactions important? Give an example.

Q: Which is the correct statement on the characteristics of an exothermic reaction? Select one: a.…

A: There are two types of reactions  1. Exothermic  2. Endothermic

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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A: When a reaction takes place by virtue of elctron transfer of the main reason for the reaction is…

Q: what happens to the energy absorbed during an endothermic reaction

A: Endothermic reactions are the reactions that absorb heat for a reaction to proceed in the forward…

Q: heat content in the surroundings of an endothermic reaction decreases, because the energy contained…

A: During an endothermic reaction, heat is absorbed during the reaction. ∆H° =…

Q: How many moles of KClO₃ must be reacted according to the following balanced chemical reaction to…

A: The reaction given is 2 KClO₃(s) → 2 KCl(s) + 3 O₂(g)                                         ∆H =…

Q: What does one mean by exothermic and endothermic reactions? Give examples.

A: Exothermic recation is a process in which there is a release of energy from the reaction to the…

Q: Which of the following statements is NOT true about an exothermic reaction. O A. Exothermic…

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Q: When two solutions are combined in a test tube, they quickly react and the test tube containing the…

A: To know about the type of Chemical Reaction, know the meaning of exothermic and endothermic…

Q: How many moles of KCIO, must be reacted according to the following balanced chemical reaction to…

A: 1) Write the balanced chemical equation. 2) Compare the number of moles of reactant with the amount…

Q: Classify the following reactions as endothermic or exothermic.

A: The reaction can be classified into two category namely endothermic and exothermic reactions as…

Q: If you have an endothermic reaction and you add heat or energy, which way the reaction is shifting?…

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

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Q: When solid calcium hydroxide reacts with hydrochloric acid in water, dissolved calcium chloride…

A: When solid calcium hydroxide Ca(OH)2 reacts with hydrochloric acid HCl then a dissolved precipitate…

Q: What do you call the type of chemical reaction in which heat is absorbed?

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Q: f) An reaction is one that gives off heat. g) The amount of energy required to raise the temperature…

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

Q: What are always the products of a combustion reaction

A: Combustion reaction :- The burning of a compound in excess of air or oxygen is called combustion .…

Q: Thermite welding is an exothermic reaction, which produces molten iron that permanently binds metals…

A: The process is called as aluminothermic process.  In this process the aluminium metal acts as a…