If the entropy of the system increases during a reversible process, the entropy change of the surroundings must decrease by the same amount.

Q: Discuss Temperature Variation of Entropy?

A: Given :  To discuss temperature variation of entropy.

Q: “The most stable state of an isolated system is the state of maximum entropy”. Use the second law of…

A: Entropy change always exhibits the decrement or increment in the system's randomness. Any reaction's…

Q: Two different gases occupy the two bulbs shown here. Consider the process that occurs when the…

A: The enthalpy change, ∆Hmix value is 0 since at equilibrium enthalpy of mixing ideal gases is 0.

Q: The entropy change ΔS for a phase transition equals ΔH/T, where ΔH is the enthalpy change. Why is it…

A:

Q: he sum of the entropy changes of the system and the surroundings (∆SSYS + ∆SSURR) are:

A:

Q: The second law of thermodynamics states that, like energy, the entropy of the universe is constant.…

A: The second law states that there exist a useful state variable called entropy S .

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

A: Thermodynamic function called Gibbs free energy is used to determine absolutely spontaneity of a…

Q: The rusting of iron is spontaneous and is accompanied by a decrease in the entropy of the system…

A:

Q: AS ΔΗ- ΔΗ: ↑

A: Entropy is the term defined as irregularities of the atoms if the irregularities increase then the…

Q: Restate the first and second law of thermodynamics.

A: Thermodynamics is the branch of physical science that gives the relation between heat, energy,…

Q: A system contains 859 particles and has 4.43 x 1025 possible configurations. What is the entropy of…

A:

Q: Define importance of second law of thermodynamics and knowing entropy

A: There are four laws of thermodynamics such as zeroth law of thermodynamics, 1st law of…

Q: A system is at an initial entropy of 375 J/K and undergoes a system change that results in a final…

A: Given that, Initial entropy = 375 J/K Final entropy = 840 J/K

Q: entropy of an isolated system

A: According to second law of thermodynamics, entropy of isolated system will never decrease means…

Q: What is the significance of entropy being a state function?

A:

Q: Which thermodynamic quantities are not a state function?

A: Both path and state functions are frequently faced in thermodynamics. A thermodynamic property whose…

Q: calculate the molar entropy of an ideal gas

A: Entropy is the measure of randomness or disorder.letter S is used for the entropy .molar entropy is…

Q: TRUE OR FALSE Entropy of a system decreases with decrease in Temperature.

A: Entropy of a system decreases with decrease in temperature is true or false ?

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: Two ideal gases under same pressure and temperature are allowed to mix in an isolated system – what…

A: SOLUTION: Step 1: In an isolated system, during mixing of gases, there is no exchange of energy or…

Q: Which of the following thermodynamic functions can be measured absolutely? A. Internal Energy B.…

A: Given : We have to tell which of the following can be measured absolutely.

Q: Define thermodynamically the entropy of a system

A: The second law of thermodynamics helps us to determine the direction in which energy can be…

Q: According to the second law of thermodynamics, a system and its surroundings spontaneously tend…

A: according to second law of thermodynamics a system and its surroundings spontaneously tend toward…

Q: What is the third law of thermodynamics? How does the third law relate to the calorimetric entropy…

A: Thermodynamics relates to the heat, temperature, and energy of chemical reactions. It studies the…

Q: consider a system consisting of an ice cube. (a) under what conditions can the ice cube melt…

A: The ice cubes melts reversibly when solid and liquid are in equilibrium.

Q: In a spontaneous process, the entropy of the system always increases. True or False

A: The overall spontaneity of the reaction is determined by the Gibbs free energy change, (∆G) If the…

Q: What is the change in entropy (positive, negative, or zero) for the system? Sugar crystals are…

A: When solid dissolved in water, the entropy increases; but considering sugar that is larger when…

Q: Determine the change in entropy for 1.0 mole of an ideal gas originally confined to one- half of a…

A: At constant temperature, change in entropy is calculated using formula :

Q: What happens to the entropy of an isolated system during an irreversible process?

A: For isolated system, there is no exchange of heat or energy between system and surrounding.  Hence,…

Q: Entropy is the randomness of a system. At the molecular level, entropy can be described in terms of…

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

Q: The entropy of an isolated system will continue to _____ until no more spontaneous processes occur,…

A: The correct option is:

Q: Choose the correct answer out of the three options: Suppose an isolated system undergoes a change…

A: The entropy of the system is the degree of measurement of randomness or disorderness in the system.…

Q: For which of the processes does the entropy of the system increase?

A: The disorderness or randomness present in a molecule is termed as its entropy.

Q: Explain in molecular terms why the entropy of a gas increases (a) with volume, (b) with temperature.

A: (a) The dispersion of energy and matter in the system indicates the entropy. By increasing volume…

Q: According to the second law of thermodynamics for any spontaneous process, the entropy of the…

A: To find: For a spontaneous process, the entropy of the universe

Q: ard molar entropy,

A:

Q: Suppose that you find out that a system has an absolute entropy zero. What else can you conclude…

A: The absolute entropy of a system is the entropy at absolute temperature, 0 K.

Q: Estimate the change in the entropy of the universe due to heat escaping from your home on a cold…

A: Entropy is a measure of randomness. The change in entropy of the universe will be given by adding…

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

A: Entropy is the randomness/disarrangement of particles.

Q: For which of the following reactions will the entropy of the system decrease?

A: Entropy is a thermodynamic quantity, which is the measure of randomness in a system.  . Greater the…

Q: Do you need to specify the temperature to calculate the entropy change?

A: The entropy change can be  calculated using the formula, Where,∆H standard enthalpy of formation…

Q: TRUE OR FALSE Entropy is a measure of disorder in a physical or chemical system

A: Entropy is a thermodynamics property. And measure randomness or disorder of the system

Q: Calculate the change in entropy

A:

Q: In biology the equilibrium equations that keep living organisms alive are called homeostasis. How…

A: Homeostasis is the condition in living organisms where the equilibrium equations that keep loving…

Q: Exothermic Changes: the system by the surroundings the surroundings. The heat the freedom of motion…

A: Exothermic changes The system looses heat to the surrounding.the heat gain by the surrounding…

Q: Calculate a change in entropy for an irreversible process of a system and contrast with the change…

A: An irreversible process is a process that cannot return both the system and the surroundings to…