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

Q: A 6.57 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: 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: A student is using calorimetry to determine the heat of solution for various salts. When the student…

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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: Which of the following statements is true?  a When heat is absorbed by a system, the reaction is…

A: Which of the following statements is true ?

Q: n the calorimetry experiment was used to measure the heat of reaction for an endothermic process,…

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

Q: Determine if the following reactions/processes are endothermic or exothermic. A+B → AB ΔΗ AH-75 kJ A…

A: Exothermic reactions release energy into their surroundings, while endothermic reactions absorb…

Q: sample of sodium hydroxide dissolved in water, releasing heat to the surrounding water, and causing…

A: According to first law of thermodynmics, the total energy of a system remains constant.if one…

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: When 47.1 J of heat is added to 13.2 g of a liquid, its temperature rises by 1.75 ° C. You may want…

A: The heat capacity of a substance is defined as the heat required to raise the temperature of one…

Q: The enthalpy change for the reaction of hydrogen gas with fluorine gas to produce hydrogen fluoride…

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Q: 8. When a sample of potassium nitrate is dissolved in water, the temperature of the water changes…

A: . When a sample of potassium nitrate is dissolved in water, the temperature of the water changes…

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: Calculate the mass of the reaction mixture in each reaction.  (To do this, first determine the total…

A: a) 100ml + 100ml = 200ml x 1.0g/ml = 200 gramsb) heat = mass x specific heat x delta temperature=…

Q: Endothermic and Exothermic bel the following diagrams as endothermic or exothermic reactions. A LA…

A: According to guidelines i can answer only 1st question.

Q: Which of the following would be considered endothermic reactions? Check all that apply O Putting…

A: To identify the endothermic processes.

Q: Examples 1) A calorimeter containing 200.0 g of water at an initial temperature of 25.0 °C was used…

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Q: Determine the heat of reaction in calories of 670 g, from the complete combustion of octane

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Q: When 13.99mL of HCl of unknown concentration (but less than that of the base) are reacted with…

A: Given : Concentration of NaOH = 3.172 M Volume of NaOH solution = 15.00 mL = 0.0150 L…

Q: only water transferring energy to creating energy in increases endothermic slow down exothermic…

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Q: A 5.29 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given information: Mass of unknown sample = 5.29 g Mass of water = 150.00 g Heat gained by solution…

Q: Is the following PE diagram representing an endothermic or exothermic reaction? PE (kJ) 250 200 150…

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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: What is the difference between endothermic and exothermic reactions? Endothermic reactions absorb…

A: For an endothermic reaction, the energy of the products is greater than the energy of the reactants.…

Q: Select the correct statement. A) In an exothermic reaction, the surroundings releases heat. B) If…

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Q: Draw and label an energy profile diagram for reaction SO.Cl.(g)→ SO.(g) + Cl.(g) given that the…

A: The reaction given is, => SO2Cl2 (g) ------> SO2 (g) + Cl2 (g) Given : Activation energy of…

Q: A decomposition of hydrogen peroxide into water and oxygen gas is an exothermic reaction. If the…

A: Exothermic and endothermic reactions are two types of chemical reactions that involve a transfer of…

Q: A 6.57 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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

Q: Progress Potential Energy 100 150 200 250 300 350 400 450 500

A: The detailed answer is attached below.

Q: In an endothermic reaction the enthalpy of the reactants is greater than the enthalpy of the…

A: Endothermic and exothermic reactions are two types of chemical reactions that differ based on the…

Q: Calculate the change in energy for the following processes and identify if the process is…

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Q: When 13.99 mL of HCl of unknown concentration (but less than that of the base) are reacted with…

A: Given data: Volume of HCl used = 13.99 ml Volume of NaOH used = 15 mL Concentration of NaOH = 3.172…

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: If 2C4H10 + 13O2 --> 8CO2 + 1OH2O is exothermic, is energy (heat) a reactant or product?

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

Q: Endothermic Reactions: reactants + _______= products

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

Q: 2. Carbon tetrachloride can be formed by reacting chlorine with methane: CH4 + 2 Cl2 → CCL4 + 2 H2…

A: CH4 + 2Cl2-----> CCl4 +2H2 ∆Hof (CH4) = -75 kJ/mol ∆Hof (CCl4 ) = -135 kJ/mol

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: 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: How much heat is___________ evolved/absorbed when 2.22 x 102 moles of N2 are consumed ?  N2   +   3…

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Q: Identify change in physical state if applicable. Indicate if energy (heat) must be added or remored.…

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Q: equation is correct for the formation reaction of nitric acid, HNO3? A) N₂(g) + H₂(g) + 30₂(g) →…

A: In a standard formation reaction, 1 mol of a substance is formed from its constituent atoms or…

Q: What thermochemical processes are observed every day? 2. How is heat related to changes in…

A: 1. What thermochemical processes are observed every day?2. How is heat related to changes in…