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

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

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Q: Write the standard heat of combustion reaction of acetic acid (liquid)

A: Given  Reactant = Acetic acid  Standard heat of combustion reaction of acetic acid = ?

Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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Q: How much heat is evolved

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: When carbon disulfide, CS2, forms from its elements, heat is absorbed. How much heat would be…

A: Number of moles of carbon disulfide = 6.5 moles

Q: if you spill some of the hydrochloric acids on the table during the reaction of hydrochloric acid…

A: The heat of neutralization: The amount of heat released by the reaction of one mole of an acid and…

Q: In an exothermic reaction, chemical energy is converted to

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

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Q: A student is using calorimetry to determine the heat of solution for various salts. When the student…

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Q: Hydrogen reacts with carbon dioxide to yield water and carbon monoxide according to the equation. Is…

A: H2(g) + CO2(g) -----> CO(g) + H2O(l)  The above reaction is exothermic in nature and enthalpy…

Q: What are the factors that affect heat of combustion? Please help me as I am trying to figure out…

A: The detailed solution of your question given below-- Since, we know that the process of combustion…

Q: (Calorimetry)

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Q: A 7.03 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: We know during the process of any reaction, heat gained  = heat lost . For above the formula used…

Q: What is the heat of reaction and what is the difference between an endothermic and an exothermic…

A: The energy released or absorbed during a  chemical reaction is termed as the heat of reaction or…

Q: what is ΔHcond for this substance

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Q: How can the heat of combustion from the measured temperature be calculated?

A: The heat of combustion from the measured temperature is calculated below.

Q: If the mass of a truck is tripled-for example, when it is loaded-by what factor does the kinetic…

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Q: How much heat is released when 1.4 mol of hydrogen fluoride are produced

A: H2(g) + F2(g) = 2HF(g) ∆H= -536 kJ/mol

Q: How can chemical potential energy be related to the heat lost or gained in chemical reactions?

A: Exothermic reactions are those in which heat is released and endothermic reaction are those in which…

Q: 1. When you add heat energy to a chemical system, what happens to the speed of molecular reactions?…

A: 1.When the temperature is increased, it means that the molecules will move with a higher speed.The…

Q: .Excess heat energy liberated by an oxidation reaction iscalled the ___________.

A: Oxidation reaction is a reaction in which oxygen is added to the species. In terms of electron, in…

Q: What is meant by the term heat of reaction? What other name is a synonym for this term?

A: 1.The Heat of Reaction is the change in the enthalpy of a chemical reaction that occurs at a…

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: Calculate the total energy when 7.25 grams of ethanol undergoes combustion.

A: Combustion is a process of burning in presence of oxygen. The reaction for the combustion of ethanol…

Q: determine and compare the quantity of heat energy released in three exothermic chemical reactions.

A: Exothermic reactions are the reactions in which heat is evolved in products that is energy is…

Q: The answer to this question is a numerical answer. Please report the numerical answer to 1 decimal…

A: Given:  The volume of HCl is 50.0 mL. The volume of NaOH is 31.8 mL. The molarity of HCl is 0.100 M.…

Q: In an exothermic chemical reaction 1. the mass of the products is less than the mass of the…

A: There are two types of chemical reactions as exothermic reactions and endothermic reactions.…

Q: How do I find specific heat of cadmium metal? I have the initial temerature, final temperature and…

A: Step 1-Specific heat capacity(c) is the amount of heat given to one unit mass of the substance that…

Q: How many moles of H2 are required to produce -2501 KJ of heat in the following reaction?       Heat…

A: Given Chemical reaction:

Q: Calculate the amount of heat released from combustion of 1 g of wood

A: Please find your solution below : Note : This question requires the values of heat capacity and…

Q: determine the heat of reaction

A: This problem is based on Hess's  law of thermodynamics   The Hess law states that the change of…

Q: What is the specific heat of silver? Express your answer with the appropriate units.

A: The specific heat is the amount of heat per unit mass required to raise the temperature by one…

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: can you explain why energy must initially be consumed in an exothermic chemical reaction?

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

Q: How can I find heat of formation from the heat of combustion?

A: I have explained it with the example of methane . By the following data we can get enthalpy of…

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: For an exothermic reaction, how is the measured temperature change affected if some of the heat…

A: Consider that an exothermic reaction is taking place inside a calorimeter with water as its…

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: In the specific heat equation, what unit must temperature be?

A: Specific heat capacity is the amount of heat required to raise the temperature of the substance.…

Q: What are some errors in the experiment about the Heat of Dissolution of Salt?…

A: Enthalpies of Solution and DilutionActual changes, like softening or vaporization, and compound…

Q: The coffee-cup is a constant type of calorimeter.

A: Coffe cup calorimeter is type of calorimeter.

Q: When the same amount of heat is applied to both, which will heat up to a higher temperature—a given…

A: Heat capacity defines the capacity of a  substance  to heat store . Comparison of water+steel and…

Q: Which of the following changes is an exothermic chemical reaction? A combustion of methane B…

A: The energy difference between the products and reactants is known as the energy change of a…

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

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Q: How much heat is produced when 1.25 g of chromium metal reacts with oxygen gas under standard…

A: Given that in there is 1.25 g of chromium (Cr) metal which will react with O2

Q: In an exothermic reaction:

A: 1) ANS: A SURROUNDINGS ABSORB HEAT FROM THE REACTION MIXTURE HEAT RELEASED FROM REACTION MIXTURE…

Q: True or false, a chemical reaction that liberates heat energy is said to be exothermic.

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