Explain how the internal energy and entropy of a system composed of two levels vary with temperature.

Q: Write the CAPITAL Letter of the correct A if both statements are true B if the 1st statement is…

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

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: 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: What is "Gibb's Free Energy"? How is it related to the Enthalpy and Entropy of a system at…

A: we denote gibb's free energy by G and the change in gibb's free energy is denoted by ΔG

Q: starting from the definition of Gibbs Free Energy, the 1st law of thermodynamics, the 2nd law of…

A: To derive the criteria for spontaneity for Gibbs free energy.

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Q: If the difference between the enthalpy of the products and that of the reactants is positive and the…

A: A spontaneous reaction is a reaction that favors the formation of products at the conditions under…

Q: Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure…

A: Enthalpy of fusion for 1 mole of Al is 10699.45 J/molInitial temperature = 25 degC = 298.15K KFinal…

Q: what is entropy?

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

Q: How does the third law of thermodynamics allow absolute entropies of substances to be determined? A)…

A: The Third law of thermodynamics states that  " a substance which is perfectly crystalline at…

Q: Under what circumstances does entropy of a system decrease for a spontaneous process

A: For any  spontaneous process, the value of Gibbs free energy change i.e ΔG should be -ve And since…

Q: What is the change in entropy in a large mass of water at 50 °C when it receives 155 kJ of energy in…

A: Answer is explained below. Given that, the change is reversible and the mass of water is large…

Q: Relate entropy to disorder in a molecular system (energy dispersal).

A: Entropy is a thermodynamic property that helps to estimate the thermal energy per unit temperature…

Q: In chemical reactions, heat is either released or absorbed and entropy either increases or…

A: Answer: Relation between Gibbs free energy change, enthalpy change and entropy change is: ∆G=∆H-T∆S…

Q: What conditions are necessary in order for a reaction with a negative change in entropy (Delta S…

A: delta G =delta H - T delta S  For  a reaction ,  1) if a reaction is exothermic (delta H is…

Q: If energy can flow in and out of the system to maintain a constant temperature during the process,…

A: Given, If energy can flow in and out of the system to maintain a constant temperature during the…

Q: 2. Suppose a certain small bird has a mass of 30 g. What is the minimum mass of glucose that it must…

A: Answer: This question is based on conservation of energy where energy generated during the…

Q: Discuss the relations between: the entropy (particularly of the universe), the standard Gibbs' free…

A: The standard free energy change (∆G○) of a reaction is calculated from the corresponding enthalpy…

Q: Consider the thermodynamic quantities E, 9, and w. Which of these quantities are state functions?

A: Examples of state functions ΔΗ,-ΔG ,ΔΤ Examples of path functions - work (w) - heat (q)…

Q: Calculate the standard molar entropy of vaporization of water at 57.0 °C, given that its standard…

A: Given ,Vaporisation of water .

Q: Describe the entropy of water running from a river down to a waterfall.

A: Entropy is the randomness/disarrangement of particles.