If a particular process is endothermic, the reverse process must be a (an):     exothermic process.     chemical change.     endothermic process.     isothermal process.     none of the above

Q: A change in a system occurs such that 92.1 J of heat flows in to the system and 31.8 J of work is…

A: From the first law of thermodynamics, ∆U = Q - W where, ∆U = change in internal energy  Q = heat…

Q: Which of the following processes is endothermic? O The combustion of propane O The condensation of…

A: A process which is accompanied by absorption of heat energy from the surroundings is known as an…

Q: A 56.59 g sample of a substance is initially at 25.6 °C. After absorbing 2789 J of heat, the…

A:

Q: O ii. and iv. Question 18 How does the internal energy of the universe change during an endothermic…

A: Here we have to predict the correct statement regarding internal energy change of universe during an…

Q: 11. An electric motor produces energy to turn a fan blade. The energy used to turn the fan blade is…

A: Answer

Q: A 10 g piece of copper at 145 oC is placed in 150 mL of water. The initial temperature of water is…

A:

Q: how is the caloric value of a food sample determined?

A: Calorific value is defined as the amount of energy contained in per Kg of the food.

Q: how to write the enthalpy cycle?

A: The previous answer has shown all the necessary calculations and enthalpy changes.  In case you want…

Q: A cold pack is an example of an reaction and works by A hot pack is an example of an reaction and…

A: A hot pack and cold pack are example of what and what reaction work by hot pack and cold given…

Q: A_ AH corresponds to an, process. O positive, exothermic zero, exothermic positive, endothermic O…

A: Change in enthalpy of the process which is also called heat of process is denoted by ∆H. For…

Q: the system is the substance undergoing the chemical or physical change, while the surroundings…

A: The statement is indeed true. In thermodynamics, the system is the part of the universe that is…

Q: Which of the following statements are true? AH for an endothermic reaction is positive AH for an…

A: The objective of the question is to identify the statements that are true.

Q: 6. How much work is needed in a system to expand from 25 to 50 L against a pressure of 7 atm? Is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: An automobile engine provides 621 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics, the following expression is obtained: ∆U=q+w…

Q: The change in internal energy for a given gas-phase system is –1465 J. The system loses 455 J of…

A: The objective is to determine the final volume of gas. Given Data:Internal energy change, U is −1465…

Q: 1. The temperature of a 98.7 g piece of metal increases from 17.0 °C to 31.0 °C when the metal…

A: Note: Since you have posted a question with multiple independent parts, we will solve first part for…

Q: When heat moves from the system to the surroundings, this process is calle O a. Exothermic (-) O b.…

A: Endothermic reaction : A reaction in which heat is transferred to a system from its surroundings is…

Q: Which of the following is an endothermic process? a) water freezing b) propane burning in air Oc)…

A: Exothermic reactions are chemical reactions that release energy in the form of heat, light, or…

Q: A chemical reaction (or other process) warms up its container as it happens. The heat for such a…

A: The heat of a system is negative, if heat is released in the system and positive, if heat is gained…

Q: A change in a system occurs such that 76.2 J of heat flows in to the system and 66.5 J of work is…

A: Introduction: From the 1st law thermodynamics,  the change in internal energy, ∆U = q + w (q =…

Q: An automobile engine provides 519 Joules of work to push the pistons.In this process the internal…

A: The objective of the question is to calculate the amount of heat (q) that must be carried away by…

Q: Which one is not an acceptable thermochemical energy unit? O joule O Cal/g-K O calorie O kg-m2-s-2

A: The ability to do work is known as energy. If an object does work on some other object, the energy…

Q: In endothermic reactions, heat is being absorbed and the internal energy of the system is…

A: Answer:Here:

Q: An automobile engine provides 565 Joules of work to push the pistons. In this process the internal…

A: In this question, we want to determine the amount of heat that must be carried away by the cooling…

Q: A 11.08 gram sample is heated to an initial temperature of 100 oC. The sample is then placed in a…

A: Mass of sample = 11.08 g Initial temperature = 100 ◦C Final temperature = 27 ◦C

Q: If a process gives off 58 calories of heat but the internal energy of the system remains unchanged,…

A: Welcome to bartleby !  Introduction :  We have to tell kind of work and how much is involved .

Q: 1. KMnO4, HO, heat 2. H3O+

A: The objective of the question is to find the product of the given reaction in which substituted…