Are the earth and sun in thermal equilibrium? Are there entropy changes associated with the transmission of energy from the sun to the earth? Does radiation differ from other modes of heat transfer with respect to entropy changes? Explain your reasoning.

Q: What are the units of entropy and enthalpy?

A: Enthalpy is the amount energy absorbed or released in a process.Entropy is the measure of randomness…

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: Define entropy and state the second law of thermodynamics?

A: Entropy is a thermodynamic property which shows the inaccessibility of a system's thermal energy. It…

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: 6. Enthalpy provides a quantitative measure of how much energy is spread out when something happens.…

A: Enthalpy is a state function which measures quantitatively the energy transferred after the reaction…

Q: Explain how the entropy of a system is related to the number ofpossible microstates?

A: To find: The relation between the entropy and number of possible microstates

Q: Does the entropy of a star increase or decrease as it radiates? Does the entropy of the space into…

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Q: What molecular property does entropy reflect?

A: ENTROPY Entropy is the measure of disorderness or randomness of the system. It is a thermodynamic…

Q: What are the different phases of entropy and their description?

A: The entropy tells us about the disorderness of the system or we can say that the randomness of the…

Q: The third law of thermodynamics is defined as     a. the combined mass and energy of the universe…

A: -> at absolute (0K) temperature all the modes of motion stops (no vibration , no translation and…

Q: List the ways in which we can interpret entropy at the molecular level?

A: The ways in which we can interpret entropy at the molecular level has to be given,

Q: SECOND LAW OF THERMODYNAMICS Why is it so important? How can the 2nd law of thermodynamics relate…

A: Second law of Thermodynamics states that for any spontaneous process the energy of the process is…

Q: What is the entropy when a system goes from 4 microstates to 5 microstates?

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Q: There is a natural tendency for the universe to have increased entropy.

A: Given statement is true or false ?

Q: what is entropy?

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

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: Define Standard States and Standard Entropy Changes?

A: Generally in chemistry standard state can be defined as the reference pint used to calculate its…

Q: As a system goes from state A to state B, its entropy decreases. What can you say about the number…

A: Given: Here there is a decrease when the system goes from state A to state B. The objective is to…

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: 4.25 a. Consider the following statement: "Although the entropy of a given system may increase,…

A: Thermodynamics is branch of chemistry in which we deal with heat of reaction.

Q: Why does the entropy of a gas increase when it expands into a vacuum?

A: Entropy of a system is the measure of the randomness or dis-ordered ness of the system. The entropy…

Q: Is it possible for an ice to have a higher entropy than water? Why?

A: Entropy is the measure of the randomness of the system. The more disordered the system more will be…

Q: Create a system that shows the third law of thermodynamics and how it relates to the concept of…

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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: 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: What general rules apply to predicting whether an entropy change is negative or positive

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: entropy?

A: Entropy, the measure of a system's thermal energy per unit temperature that is unavailable for doing…

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: Determine the entropy change for the combustion of gaseous propane, C3Hg, under the standard…

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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: How many microstates are present in a system with an entropy of zero?

A: The entropy (S) and microstates(W) are related by formula : S = kB ln(W)  Here , kB = Boltzmann…

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: Under what circumstance can the entropy of a system decrease for a spontaneous process

A: The entropy tells the randomness present in the system due to its disorderness created in the system…

Q: Question attached

A: Given , mass of ice =100g  100 g H2O(s) at 0°C →∆S10  H2O (l) at 0 °C →∆S20 H2O (l) at 100°C →∆S30…

Q: Which of the following definitions correlate to the term spontaneous change? O Possible…

A: Spontaneous process: A spontaneous process is a process which occurs without any external input to…

Q: Neither the change in enthalpy nor the change in entropy is, by itself, sufficient to determine…

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Q: Does the entropy of the surroundings increase for spontaneous processes?

A: The entropy is a measure of randomness of a system. In a spontaneous process, the entropy of the…

Q: Laws

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Q: Describe the second law of thermodynamics in at least one sentence?

A: Entropy is the measurement of degree of randomness of energy in a system. Lower the entropy, more…

Q: Explain Enthalpy and Entropy ? Show the Difference between them ?

A: Enthalpy and entropy are the thermodynamic properties of a system. They are one of the most…

Q: Indicate whether each statement is true or false. If a system undergoes a reversible process, the…

A: Given: Reversible process is a process which can be reversed back to its initial state after…

Q: Does the entropy of the system increase, decrease, or stay the same when the volume of a gas…

A: Entropy is the thermal energy of a system per unit of temperature. This energy is not available for…

Q: Explain how entropy changes in the process of flambéing (combustion of ethanol). Be sure to include…

A: Given question is :  Explain the entropy changes in the process of the flambeing (combustion of…