2 NO(g) + O2(8) 2 NO,(g) A Figure 19.11 Entropy decreases when NO(g) s oxidized by 02(8) to NO2(8). A decrease in he number of gaseous molecules leads to a lecrease in the entropy of the system.

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: 1. a) Why is chemical potential analogous to temperature and pressure? b) Under what circumstance…

A: a). The energy that can be released or absorbed due to the change of number of particles of the…

Q: Calculate the entropy change for each of the following reactions. In each case, account for the sign…

A:

Q: A box contains a helium gas with 15 helium atoms. Initially, 12 helium atoms are in the right…

A:

Q: The normal boiling point of Br21l2 is 58.8 °C, and its molar enthalpy of vaporization is ∆Hvap =…

A: (a) Entropy has to be given when Br2 (l) boils at its normal boiling point.

Q: What is the total entropy change at 25°C for the reaction below, if the standard entropies of…

A: Given :-  The given reaction is      5C(gr) + 5H2(g) → C5H10(g) ...........(A) Sº (C(gr)) = 5.74…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A:

Q: What is the type of entropy change for 6CO2(g) + 6H2O(g) —> C6H12O6(g) + 6O2(g)? Provide…

A: Answer  In this given reaction 6CO2(g) + 6H2O(g)…

Q: Consider the combustion of propane gas:C3H8(g) + 5 O2(g)---------->3 CO2(g) + 4 H2O(g) ΔHrxn =…

A: The reaction of combustion of propane

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: what is the standard entropy change when 10.0 grams of methane (ch4) is combusted in 10.0 grams of…

A:

Q: Consider: CO(g, 198, 29.4) + 2 H2(g, 29, 28.8) → CH3OH(g, 240, 44) What is its reaction entropy at…

A: SCO = 198 J/K.mol SH2 = 29 J/K.mol SCH3OH = 240 J/K.mol  ∆Sreaction = ?

Q: Glucose is broken down in muscle tissue to form lactic acid under anaerobic conditions. The…

A:

Q: What is the total entropy change at 25oC for the reaction below, if the standard entropies of…

A:

Q: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 °C to 560…

A:

Q: Calculating Standard Entropy Change: (a) Calculate the standard entropy change (ArSo) for the…

A: For the given reaction between hydrogen sulfide and oxygen gas, the standard entropy change (ΔSrxn)…

Q: 1. Calculate the entropy change when 2.50 mole of sulphur dioxide gas are heated from 25 to 70 °C at…

A: S is a symbol for entropy . It is a state function.  It is a measure of  randomness of system .…

Q: The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0°C to 560 °C,…

A: Since the units of T to be substituted in the Cp equation is not mentioned. Hence i'm assuming it to…

Q: What is the total entropy change at 25oC for the reaction below, if the standard entropies of…

A: The Standard Entropy change of the Reaction is the difference between the entropies of Products and…

Q: In freezing a mole of liquid water at the freezing point; the enthalpy of fusion is 6.0lkJ/mol…

A: The enthalpy of fusion is 6.01 KJ/mol To determine : entropy of system , surrounding and universe

Q: 1. (2)What is the sign of the entropy change of the system (ΔSsys)(methanol (liq, at 290K) →…

A: Since, you have asked multiple questions, we will solve the first question for you.  In the…

Q: Which of the following species has the highest standard molar entropy (Sº) at 25 ºC? A. CH3OH(g)…

A: Gases have large amounts of entropy when compared to liquids and solids. When a solid becomes a…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: Calculate entropy of the given reaction---

Q: What is the entropy change of a gas in J/K (to 2 decimal points) when one mole of a perfect gas…

A: Given that -  Number of moles of gas = 1  Initial volume of gas = 0.36 m3  Final volume of gas =…

Q: What is the entropy of the process when 0.6831 moles of N 2 gas are compressed from 54.42 L to 28.11…

A:

Q: What is the change in entropy (positive, negative, or zero) for the system? 2CO (g) + O2 (g) -->…

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

Q: For which of these is there a decrease in entropy?   (NH4)2CO3(s)→2NH3(g)+CO2(g)+H2O(g)…

A: Entropy is a measure of randomness.  Entropy decreases whenever you have less moles of gaseous…

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: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 °C to 560…

A: The unit of temperature is not mentioned therefore i am using kelvin. Data given: T2 =800K, T1…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: Calculate the standard entropy of the given reaction--

Q: Which of the following has the lowest entropy (all at 20.0℃)? a. Ar (g) b. Ne (g) c. Kr (g) d. He…

A: The given elements are : Ar (g), Ne (g), Kr (g), He (g) and Xe (g)   The entropy of a substance is…

Q: Calculate the entropy of the universe in J/K mol for the reaction: 2C;H6(g) + 702(g) → 4CO2(g) +…

A:

Q: Which of the following statements concerning entropy change is/are true? 1. For a spontaneous…

A:

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: Given reaction : Al2O3(s) + 3H2(g) → 2Al(s) + 3H2O(g) Now, we have to calculate ∆S°rxn(standard…

Q: Calculate the change in entropy that occurs in the system when 23.0 g of isopropyl alcohol condenses…

A:

Q: True or false. a. Entropy opposes food oils from dissolving into water. b. Entropy always favors…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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

A: Entropy measures the degree of randomness in the system. When a substance changes its phase solid to…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A:

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 entropy of the following reaction using the data in the table. 4A +4B + 20 - 5D + 2E…

A: Entropy of the reaction is defined as the “difference of the standard entropies of the products…

Q: A block of copper is initially at T=500 K. As it cools to room temperature, 1000 J of heat flows out…

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

Q: Consider the reaction: 4HCl(g) + O₂(g) → 2H₂O(g) + 2Cl2 (9) Using standard absolute entropies at 298…

A:

Q: If the entropy change for the reaction is ∆Ssys = −308.6 J mol-1 K-1  at 298,15 K,  what value…

A: Enthalpy as well as entropy are interrelated concepts that are linked together with Gibbs energy…

Q: Methanol is burned as fuel in some race cars. This makes it clear that the reaction is spontaneous…

A: The second law of thermodynamic explains that the heat transfer occur in the system from higher to…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: The reaction given is, => Al2O3 (s) + 3 H2 (g) → 2 Al (s) + 3 H2O (g)

Q: You are boiling 2 liters of water on the stove. You forget about it and return later to find that…

A: The Physical state of a substance converted to another substance results in change in the entropy,…

Q: 8. The third law of thermodynamics claims that: ONone of the other OThe entropy of the OThe internal…

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

Q: What is the total entropy change at 25oC for the reaction below, if the standard entropies of…

A: Given,∆S0 for Carbon= 5.74 J/mol K∆S0 for Hydrogen= 130.68 J/mol K∆S0 for C7H16= 130.68 J/mol K