onsider the combustion reaction of ethane: 2 C2H6 (g) + 7 O2 (g)  6 H2O (g) + 4 CO2 (g) Which is true about the entropy change of this reaction?    a. The entropy of the reaction is increasing (positive entropy change). b. The entropy of the reaction is decreasing (negative entropy change).  c. The entropy of the reaction is not changing because the reactants and products are all in the gas state. d. The entropy change of the reaction can not be determined without knowing the entropy of each of the reactants and products.

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: A reaction has been determined to be AHrxn > 0, ASrxn <0. Select all the correct answers associated…

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

A: 1. chemical reactions between liquids can produce gaseous products. For instance, in an…

Q: Which of these processes result in an entropy decrease of the system?

A: Entropy means randomness. All spontaneous processes have positive or zero entropy change. This means…

Q: Which one of the following processes would produce a decrease in the entropy of the system? a.…

A: We have given that  Which one of the following processes would produce a decrease in the entropy of…

Q: 2. a. During a certain reversible process, the surroundings undergo an entropy change, ASsurr = -78…

A: The objective of the question is to calculate the- for this processWhat effect is on  when entropy…

Q: Determine if the entropy increases or decrease during the following processes and determine fhe…

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Q: 5. How does temperature affect entropy?

A: To determine the effect of temperature on entropy

Q: Explain what is meant by “free energy” in a system. Will a reaction that proceeds spontaneously have…

A: In chemical terms, free energy refers to Gibbs free energy of the system. The symbol for Gibbs free…

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

A: Answer:A chemical reaction can only be spontaneous when  is less than zero and value of  is:Here: T…

Q: Now calculate the change in entropy (delta S) for the following reaction, using the thermodynamic…

A: Entropy is defined as the measurement of the randomness of the system. It is a state function that…

Q: In which is there a positive entropy change? A. Magnesium combusts in air to form Magnesium oxide B.…

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Q: What is an example of a system showing a decrease in entropy  a. Helium escaping a balloon b.…

A: In this question, we will select the correct statement which showing the Decreasing entropy of the…

Q: 46. Which of the following involves a decrease in entropy? A) the sublimation of solid CO2 into CO2…

A: The correct answer about entropy is given below

Q: For a spontaneous exothermic process, which of the following must be true

A: The given question tells that the reaction is spontaneous and exothermic

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

A: A reaction is said to be spontaneous if a change in Gibbs free energy is negative.…

Q: Increase or decrease in entropy? a. 2NH3 (g)  N2 (g) + 3H2 (g) b. making dry ice from CO2 gas c.…

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Q: Entropy, AS, and Gibbs Free Energy, AG, are both State Functions like AH and therefore can be used…

A: The measurement of how random the system under consideration is called entropy. The higher the…

Q: During which of the following processes does the entropy of the system decrease?   A. Calcium…

A: Entropy of any substance is basically the measure of disorder of the substance  And the disorder of…

Q: positive entropy change.

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Q: TRUE OR FALSE 1. Lowering the temperature of the system will lead to an increase in entropy. 2.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: g_2021 [References] Chloroform, CHC13, is a solvent and has been used as an anesthetic. The heat of…

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Q: 5. Calculate the entropy change for the following reactions using your thermodynamic properties…

A: Entropy of a system measures the randomness of a system. If change of entropy is positive  during a…

Q: The enthalpy of vaporization of methanol, CH3OH, is 35.27 kJ/mol at its normal boiling point of 64.1…

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Q: Rank from lowest to highest entropy. A. 1 mol of CCl4 gas at 273 K and 40 L. B. 1/2 mol of liquid…

A: We need to Rank from lowest to highest entropy.   A. 1 mol of CCl4 gas at 273 K and 40 L. B. 1/2 mol…

Q: One of the reactions that destroys ozone in the upper atmosphere is NO(g) + 03 (9) NO2 (9) + O2 (9)…

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Q: What is the entropy change, in J mol-1 K-1, when 100.0 g of water boils at 100.0 oC?…

A: ∆Hvap= 40.7 kJ/mol = 40.7 × 1000 J/mol Water boils at 100°C = 373 K For the vapourization of water,…

Q: What is the expected entropy change for this reaction? CI CI Cl AI -ci- Me CI Al CI +. CH, CI CI O…

A: Entropy measures randomness. If randomness increases entropy will increase

Q: 2. Which of the following statements regarding entropy is FALSE? a) Sugar poured into a container of…

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

Q: What is the entropy change when 2.30 moles of CCl₂F₂ vaporizes at 25.0 °C? [∆H(vap) = 17.2 kJ/mol at…

A: Answer: Entropy is the measure of randomness of the system. In more possible states system can…

Q: 5. The entropy change of the process H2O (s) H2O () is 22 J/K at 0 °C. Calculate the enthalpy of…

A: H2O(s)↔H2O(l)∆H=22J/KT=0∘C=0+273K=273K∆S=∆HT

Q: substance has the higher entropy?

A: Sample of pure silicon have less entropy becuz it's contains only one constituents while Si+P+B have…