Which of the following circumstances will result in a reaction that is spontaneous only at low temperatures? positive enthalpy change and positive entropy change negative enthalpy change and negative entropy change positive enthalpy change and negative entropy change negative enthalpy change and positive entropy change

Q: The graph represents the energy change of a chemical reaction. Which must be true about the entropy…

A: Given, the energy profile diagram: We have to find the correct statement about the entropy of the…

Q: Which of the two processes produces the higher amount of work? O Isochoric decrease in pressure…

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Q: Predict whether the entropy change is positive or negative for each of the following descriptions.…

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Q: State the first law of thermodynamics in terms of (a) the energy of the universe; (b) the creation…

A: The first law of thermodynamics has to be stated,

Q: How does the entropy of the surroundings change during an exothermic reaction? An endothermic…

A: Solution- Entropy of surrounding will increase during an exothermic reaction because heat is…

Q: Define the following terms:a. workb. exothermic reactionc. endothermic reactiond. isothermic…

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: 3. Determine if the entropy change will be positive or negative for this reaction: H₂ + N₂ → NH3

A: Since you have asked multiple question as per our company guidelines we are supposed to answer the…

Q: 10. Explain enthalpy, entropy, and internal energy.

A: Enthalpy:-Enthalpy is the measurement of energy in a thermodynamic system. The quantity of enthalpy…

Q: Determine whether each of the following statements about the thermodynamic functions are True or…

A: The spontaneity of a chemical reaction not only depends on the enthalpy change but also depends on…

Q: For a reaction to be spontaneous, which of the following factors should have a negative sign? a…

A: Given : We have to tell what is requirement for spontaneity of a reaction

Q: Determine whether each of the following statements about the thermodynamic functions are True or…

A: Equation for determining free energy is, ∆G = ∆H - T∆S.Hence, the statement “Entropy and temperature…

Q: Frequently, when salts dissolve in water, the solution becomes warm. Such a process is exothermic.…

A: Endothermic process: It is the process in which the system absorbs heat from the surrounding and as…

Q: Select the statements below that are false, and then think about why they are not true. A chemical…

A: Answer - a) a) when products are lower in energy than the reactants - the reaction is spontaneous.…

Q: the Laws of Thermodynamics, then explain in detail which law Entropy and Enthalpy would apply to.…

A: Thermodynamics is study of flow of heat. It consists of three laws which are as follows: 1st law of…

Q: Which of the following relationships is INCORRECT?  a Free Energy is zero, the process is in…

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Q: A reaction has a negative entropy and enthalpy change. The reaction will be: a. spontaneous at low…

A: given,  Entropy change ∆S = -ve Enthalpy Change , ∆H = -ve

Q: The products have higher entropy than the reactants explain why H2O (s) —> H2O (l)

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Q: Determine whether each of the following statements about the thermodynamic functions are True or…

A: The relationship between Gibbs free energy and  Entropy and enthalpy is given by  G = H - TS where G…

Q: TRUE OR FALSE? 1. Entropy changes cannot be measured with a calorimeter like enthalpy changes. 2.…

A: 1. False Entropy change can be calculated from Calorimeter by using equation as follows;    ∆S  =…

Q: he second law of thermodynamics favors     A. processes that have zero entropy of the universe…

A: The given problem is based on the laws of thermodynamics.

Q: what is entropy?

A: Entropy(S)- Entropy is a thermodynamic property. Entropy determines spontaneity of process.…

Q: Which of the following would result in a decrease in the system's entropy?  (Select all that apply.)…

A: Entropy of a system is measure of randomness in it.  More the randomness or less the system is…

Q: thermodynamic variables for the ideal gas by writing complete sentences    (a) The heat is…

A: A sample is cooled at constant volume.

Q: Which statement is true? A reaction in which the entropy of the system decreases can be spontaneous…

A: For a reaction to be spontaneous, ∆G must be negative. ∆G=∆H-T∆S For ∆G to be negative, either ∆H…

Q: Identify the change in state that does NOT have an increase in entropy.   a water evaporating   b…

A: Entropy - Measure the randomness or disorderness of molecule  Solid to liquid, liquid to gases…

Q: What do standard states have to do with free-energy changes?

A: Standard state is like the reference state of the substance, the phase of the substance usually…

Q: The second law of thermodynamics states that for a process to be spontaneous:         (A) The…

A: According to second law of thermodynamics, the overall entropy of the whole universe is always…

Q: Classify the following processes as spontaneous and nonspontaneous. (a) freezing of water at room…

A: Given the following processes: (a) freezing of water at room temperature (b) breakdown of liquid…

Q: Which of the following leads to an increased entropy? A. condensing water vapor B. cooling a cup…

A: By observing the change in temperature and the phase change behaviour of the mentioned substances,…

Q: Which of the following statements correctly describes the direction of heat transfer? O from high…

A: Heat is a form of energy also called heat energy or thermal energy.

Q: Which of the following combinations will result in a reaction that is only spontaneous at low…

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Q: What is the correct equation in solving for the entropy of a chemical reaction? *     C. entropy of…

A: Ask that, What is the correct equation to solving entropy.

Q: A solid sample at room temperature spontaneously sublimes forming a gas This change in state is…

A: Matter is something that occupy space and have volume . It exist in 3 phase ; solid , liquid and gas…

Q: states of matter in order of decreasing entropy.

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Q: which statement about entropy is true? non-spontaneous reactions sometimes will happen all by…

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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: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Entropy is used to determine the randomness or disorders. If change in Gibb’s free energy is…

Q: Which of the following describes an endergonic reaction?       is nonspontaneous       is…

A: The endergonic reaction means that ∆G > 0

Q: All the following involve an increase in entropy except   most endothermic reactions   sublimation…

A: Entropy is a thermodynamic term. It is the measure of disorder or randomness in a system.  If the…

Q: The value of ΔHo for the following reaction is -72 kJ. How many kJ of heat will be evolved when 4.0…

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Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: A table of questions based on spontaneity, which are to be accomplished.

Q: In the past, scientists were surprised that an endothermic process like the one in this lab, could…

A: Spontaneous processes are irreversible processes that cannot be reversed. A spontaneous process…

Q: If this has a negative value for a process, then the process occurs spontaneously. A. Free energy…

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Q: How are the states of matter arranged in increasing entropy of the system?     Solid < Gas <…

A: Entropy is the degree of randomness or disorder and gases have more disorder because particles can…

Q: What can be said about an endothermic reaction with a negative entropy change? The reaction is…

A: Given information says that reaction is endothermic reaction. Hence the sign of enthalpy change will…

Q: The entropy and enthalpy of a reaction are both negative. Is the reaction spontaneous? Explain

A: The entropy and enthalpy of a reaction are both negative. Is the reaction spontaneous has to be…

Q: Which process results in the increase in entropy of the universe?

A: Entropy is the randomness or disorderness in a system. The change in entropy is positive when…

Q: Label the components of an energy diagram for a spontaneous reaction.

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