Calculate the standard entropy change for the reaction ; CO2(g) + H2O( l) →   CH4(g) + O2(g)   Note: Balance first the chemical reaction.

Q: Determine the entropy of * H₂(g) + Br2(g) → 2HBr (g)

A: Entropy measures the extent of the randomness of a system. It is represented by S. It increases with…

Q: It refers to how a circumstance can occur without the help of any external factors? O a Entropy Ob…

A: Spontaneity ----> it refers to the circumstances which can occur without any external factors.…

Q: Determine the entropy change for the combustion of liquid ethanol, C2H5OH, under standard state…

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Q: How does temperature effect spontaneity? Under what conditions is enthalpy the dominant…

A: We know that, ΔG = ΔH - TΔS For a reaction to be spontaneous ΔG must be negative in sign ΔG < 0 ,…

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: 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: The enthalpy change when liquid methanol, CH3OH, vaporizes at 25°C is 38.0 kJ/mol. What is the…

A: Since the condensation process is happening at constant temperature Hence the entropy change can be…

Q: Indicate whether each statement is true or false. (a) The third law of thermodynamics says that the…

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

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.

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

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Q: How can you calculate the standard entropy change for a reaction from tables of standard entropies?

A: The standard entropy change for a reaction from tables of standard entropies can be calculated by…

Q: Calculate the standard entropy change for the following reaction. 4 Al(s) + 3 02(g) → 2 Al,O3(s) JK!

A: A numerical problem based on entropy change, which is to be accomplished.

Q: Consider the general reaction at 29 degrees C: 2 A + 1 B → 3 C + 3 D ΔH reaction = -2,079 kJ…

A: The change in entropy of a system at a constant temperature and constant pressure is given as:…

Q: Calculate the standard entropy change for the reaction at 25 °C. C;H,(g) + 50,(g) • 3 CO,(g) + 4…

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Q: What is the precise definition of entropy? What is the significance of entropy being a state…

A: Entropy is a thermodynamic state function that determines randomness in a system.  When we raise…

Q: Enter your answer in the provided box. Calculate the standard entropy change for the following…

A: Using the table of standard entropies of reactants and products, the standard entropy change for the…

Q: Calculate the standard entropy change for the following process:…

A: Given reaction is: H2(g) + C2 H4(g) ⟶ C2 H6(g) We know that, ∆S°reaction = ∑n∆S°products -…

Q: Determine the entropy change for the combustion of gaseous propane, C3H8, under standard state…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

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: Consider the general reaction at 26 degrees C: 2 A + 1 B → 3 C + 2 D ΔH reaction = -1,899 kJ…

A: Entropy is the measure of disorder or randomness of a system. The free energy change is given by,…

Q: Reaction 1: 20F2 (g) → O2(9) + 2 F2 (9) AH=-49.4 kJ Reaction 2: N2 (g) + 202(g) → 2NO2 (g) AH=+66.4…

A: When the gibbs free energy change is positive then the reaction is spontaneous and when the gibbs…

Q: The enthalpy of vaporization of methanol (CH3OH) is 35.3 kJ/mol at the boiling point of 64.2 °C.…

A: The vaporization can be defined as phase transition from liquid phase to vapor phase.

Q: What is the entropy change when 315 J of energy is reversibly transferred to a sample of water at…

A: Entropy change of a system for reversible process is given by  where ΔS = entropy change  Q = heat…

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

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Q: Which of the following is a correct statement about the third law of thermodynamics ? O The entropy…

A: Thermodynamics is the branch of science which deals woth the study of energy changes and their…

Q: Calculate the standard entropy change for the following reaction at 25°C. CH,(g) + 2 O2(g)→ CO2(g)…

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Q: If an ideal gas at 1.75 atm and 25 degrees Celsius is isothermally compressed from 800 mL to 150 mL,…

A: Initial volume of the gas, V1 =800 mL Final volume, V2 = 150 mL Calculation of initial moles of the…

Q: How does the standard entropy of a substance depend on its molar mass? On its molecular complexity?

A: Entropy is a thermodynamic property, which is the measure of randomness of a system. Entropy of the…

Q: What is the entropy when a system goes from 4 microstates to 5 microstates? 3.08 x 10-24 O -3.08 x…

A:

Q: Determine the entropy change for the combustion of gaseous propane, C3H8, under the standard…

A: Entropy refers to measure of disorder and randomness. For a reaction, standard entropy change of…

Q: Using the standard molar entropies in Appendix C, calculate the standard entropy change,ASº, for the…

A: The balanced chemical reaction given is  Al2O3 (s) + 3 H2 (g) → 2 Al (s) + 3 H2O (g) The standard…

Q: How do you predict the entropy of a gas will change if a 2.0 L sample of that gas is compressed to a…

A: The entropy of a system is defined as the measure of randomness between the particles present in a…

Q: Are the earth and sun in thermal equilibrium? Are there entropy changes associated with the…

A: 1. The earth and the Sun are not in the thermal equilibrium. As sun is much hotter or is having…

Q: For the reaction 2 CO (g) + O2 (g) → 2 CO2 (g), the entropy change is expected to be negative. Is…

A: The given chemical reaction is as follows: 2CO (g) + O2 (g) → 2CO2 (g) The stoichiometry of the…

Q: Calculate the standard entropy change for the reaction; CO2(g) + H20(1) → CH4(9) + O2(g) Note:…

A: The balanced chemical equation is,

Q: How do enthalpy and entropy relate to each other? If enthalpy is negative, does that mean that…

A: To measure spontaneity, both the terms, enthalpy and entropy, cannot be used individually that is…

Q: A hot rock ejected from a volcano’s lava fountain cools from 1100C to 40.0C, and its entropy…

A: Given: Initial temperature, T1=1100°C=1373.15 K Final temperature, T2=40°C=313.15 K Decrease in…

Q: Calculate the standard entropy change for the following process:…

A: The given reaction is: H2O(g) ⟶ H2O(l) Standard entropy change is given by:…

Q: Determine the entropy of the reaction: H2(g) + CuO(s) → Cu(s) + H2O(g)

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Q: Use the table below to answer the questions that follow. The value of standard entropy change, AS°,…

A:

Q: What is the entropy of a system that has only a single microstate?

A: Entropy is defined in the terms of randomness that a system possess or the disordered state. Change…

Q: Consider these two reactions: Reaction 1: 20F2(g) O2(g) + 2 F2(g) ΔΗ-49.4 k Reaction 2: N2(8) +…

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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: In photosynthesis, plants form glucose (C6H12O6) and oxygen from carbon dioxide and water. Write a…

A: Photosynthesis It is a process in which green plants make their own food and convert light energy…

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

A: Entropy is the randomness/disarrangement of particles.

Q: The entropy of vaporization of water is 109.0 J/mol · K. What is the enthalpy of vaporization of…

A: Given: Entropy of vaporization of water = 109.0 J/mol.K.

Q: Calculate the standard entropy change for the following reaction. 4 Al(s) + 3 O2(g) → 2 Al½O3(s)…

A: Since for any reaction, the standard entropy change is given by  ΔS0 = sum of ( S0 (product ) X…

Q: Entropy. Consider the reaction below. 2 CO(g)O2(g) 2 CO2(g) a) 4. ΔΙοχη -566 kJ Calculate the…

A: (a)The entropy change in the surrounding after a chemical reaction at constant temperature and…