The minimum amount of energy needed by the reactant to form the activated complex and lead to a reaction is known as the enthalpy. True or false

Q: Heat released during acid and base reactions is called enthalpy of neutralization An example of…

A: Heat released during acid and base reactions is called enthalpy of neutralization. This statement is…

Q: Transition State Ea Reaction Coordinate

A:

Q: The system ice (s) + energy > water (l) is in equilbrium at 0 degrees Celsius in a closed container.…

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

Q: What are the primary considerations in the selection of a fuel for a certain process?

A: The substance which catches fire easily and on burning produces energy in the form of heat and…

Q: reactions store energy by forming chemical bonds. When energy is converted between forms there is…

A: Chemical reactions store energy by forming chemical bonds When energy is converted between forms…

Q: 1. An exothermic reaction is carried out in an closed system and an isolated system. Which of the…

A: Closed system The system in which matter cannot pass the boundary is called closed system. But…

Q: How to apply the laws of thermodynamics to chemical reactions ?

A: In any chemical reaction, heat of reaction can be calculated by applying . Hess's law based on 1st…

Q: In an exothermic reaction:

A: In an exothermic reaction, bonds break and new bonds are formed; electrons and protons move from a…

Q: Consider the energy diagram. Products Does this diagram represent an increase or decrease in the…

A:

Q: The decomposition of ammonium chloride produces an ammonium ion and chloride ion in solution.…

A: Decomposition of ammonium chloride is an endothermic process

Q: A chemical reaction shifts left upon heating. What does that tell you about the enthalpy of…

A: If reaction is endothermic heat is required to form product and reaction is written as Reactant +…

Q: Consider a burning candle. Reactants are the chemicals that are present before a reaction occurs…

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Q: The quantity of heat evolved from a chemical reactionarises out of the ___________ and ___________…

A: A reaction in which chemical composition of a substance is changed is called a chemical reaction.

Q: 1) When part of a liquid evaporates,    it cools down because only the fastest molecules are…

A: "Since you have asked multiple questions, we will solve the first question for you ( as per our…

Q: Exothermic reactions release energy in the form of heat and work. At the molecular lever, which does…

A:

Q: Calculate ΔHrxn for the reaction 2NH3(g) + 3O2(g) + 2CH4(g) → 2HCN(g) + 6H2O(g)

A: Given: Reaction To find: ∆H reaction for the given reaction.  Solution: ∆H reaction is the…

Q: Calculate the change in temperature for the sand. The specific heat of sand is 0.200 cal/(g • °C).

A: Part 1 of 3    • The values provided in the question are:-     i) Mass of sand , m = 19.0 g  ii)…

Q: The energy stored by a body by virtue of its position or chemical composition is termed A) kinetic…

A: Kinetic energy: The energy stored by a body by virtue of its position Potential energy: The energy…

Q: post one chemical reactions that is considered an exothermic reaction and one that is considered as…

A: Exothermic reaction is the reaction that liberates energy in the form of heat. Those reactions which…

Q: an exothermic reactionr

A: Formation of ammonia is a exothermic process that means heat is librated hence according to…

Q: The dissolution of ammonium nitrate in water is given by the following equation: NH4NO3(s) + heat →…

A: Base on heat energy, the chemical reactions are categorized as exothermic and endothermic reactions.…

Q: If the same amount of heat is added to 5.00 g samples of each of the metals below, which metal will…

A: GIVEN DATA:- mass of samples = 5.00 g each                    & amount of heat provided to each…

Q: When the environment is contaminated by a toxic or potentially toxic substance the substance tends…

A: The potential of the energy state of the system should be more than or less than the initial…

Q: From a molecular viewpoint, where does the energy absorbed in an endothermic chemical reaction go?…

A: In thermodynamics, we learn about two types of reactions. Exothermic: The type of reaction in which…

Q: Assuming

A: Assuming constant pressure, rank these reactions from most energy released by the system to most…

Q: When a system absorbs heat, a part is stored within the system as the energy of internal motions of…

A: When a system absorbs heat, a part of it is  stored within the system as the energy of internal…

Q: If a reaction is carried out at constant pressure, which of the following statements is correct? *…

A: At constant pressure, the heat of the reaction is equal to the enthalpy change.

Q: When you are using a fluorescent lamp ___________________ energy is converted into ________________…

A: Answer  Fluorescent lamp converts the electrical energy into…

Q: The energy that enters or leaves a system during a chemical reaction comes from what source? O Heat…

A: Energy is required to break the bond however the energy is released during the formation of Bond .

Q: An exothermic reaction releases heat. O True False

A:

Q: An exothermic reaction is carried out in an closed system and an isolated system. Which of the…

A: In an exothermic reaction, heat always is released which in turns increases the temperature of the…

Q: exothermic and has a negative enthalpy

A: For given question four options are given.

Q: A statement of the second law of thermodynamics is that a. energy is conserved in a chemical…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: Since energy is always conserved, we can determine the total energy released or absorbed by a…

A: When any chemical reaction occur then certain old bond break and new bond are formed which result in…

Q: If a particular process is endothermic, the reverse process must be a (an):     exothermic process.…

A:

Q: The “x” on the graph corresponds to ∆G for the reaction.

A: Given graph:

Q: Exothermic Endothermic Heat Heat Heat Heat Which statement is correct? O When an endothermic process…

A: Endothermic process is a process which involves heat absorption from the surroundings, so as to…

Q: Which of the following is true: A reaction where the entropy of the system increases can only be…

A: Answer:- This question is answered by using the simple concept of spontaneity of the reaction which…

Q: More energy is needed to break bonds in the reactants than is released when new bonds form in the…

A:

Q: 1. Enthalpy is an expression for the А. Heat content С. Reaction rate B. Energy state D. Activation…

A: Chemical thermodynamics can be defined as the branch of chemistry that deals with study of the…

Q: What is FALSE regarding the laws of thermodynamics? Select one: a. Energy can be neither created nor…

A: Temperature, energy, and entropy are only a few of the physical parameters that the rules of…

Q: Use the standard enthalpies of formation table to determine the change in enthalpy for the given…

A:

Q: In one to two sentences, explain whether condensation is an exothermic or endothermic reaction.

A:

Q: ifies the change in internal energy when a molecule is added to a system at constant volume and…

A: Gibb's free energy for closed system can be capable for P-V system work and it uses Helmholtz…

Q: For an exothermic reaction

A: An exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH is negative.…

Q: AE AE ov eral AE AE Energy

A: Minimum energy needed for reactant  to completion of the reaction , is known as activation energy.

Q: In the experiment, gasoline was ignited in a bomb calorimeter and used to heat the water in the…

A: In the experiment, gasoline was ignited in a bomb calorimeter and used to heat the water in the…

Q: A bomb calorimeter is used to measure _____ in reactions that occur in a constant volume.     energy…

A: Calorimeter is used to determine the state of body in respect to thermal aspects to determine the…

Q: The heat of reaction is utilized for calculating the number of energy per mole only for the released…

A: Given : We have to tell whether this statement is true or not.