Entropy. Consider the reaction below. 2 CO(g)O2(g) 2 CO2(g) a) 4. ΔΙοχη -566 kJ Calculate the entropy change in the surroundings,a,+r, associated with this reaction at 25°C. b) Without doing a calculation, predict the sign of the entropy change for the system. Explain

Q: 1)Which substance has the higher entropy?a) dry ice (solid CO2) at –78 OC or CO2(g) at 0 OCb) liquid…

A: 1. CO2(g) at 0oC has higher entropy than dry ice at -78oC, because gas has higher entropy due to its…

Q: With two dice, each numbered 1–6, there are two possible ways to roll a 3. and Thus, for the outcome…

A: Answer is explained below.

Q: ow as it ripens D. A&B C. Throwing 50 coins results in all tails 8. According to the third law of…

A: Third law of thermodynamics states that  Entropy of a pure substance at perfectly crystalline state…

Q: Which of the following has the highest entropy (all at 65.0℃)?

A: Entropy(S) is defined as degree of randomness or disorderness and it is highest for gases and lowest…

Q: What is the entropy change, in J mol1 K1, when 100.0 g of water boils at 100.0 °C? (AHvaporization…

A: Since the entropy change is given by  ΔS = ΔHvaporization / Tboiling point  where Tboiling point =…

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: A 3.0 g block of ice melts at 0.0°C [ΔHfus(H2O) = 6.01 kJ/mol]. Calculate the entropy change for…

A: Heat require during melting of a liquid: Q1 = n . ΔHfus Heat require during warming up of a liquid:…

Q: 4. Entropy can be represented mathematically by magnitude a. AS = -1 b. AS # 0 c. AS = +1

A: Gibbs Free energy (∆G) =∆H - T∆S where ∆H = Enthalpy change             T = Temperature           ∆S…

Q: For each process predict the sign of the entropy change taking place. A. CaCO3(s) → CaO(s) + CO2(g)…

A: Entropy(S) is defined as the randomness or disorderness of the system. When entropy increases, then…

Q: For each of the following reactions, predict the sign of the entropy change (∆S) . Justify your…

A: 1. The balanced equation shows the formation of two moles of sulfur trioxide when two moles of…

Q: Identify whether the entropy change is positive, negative, or equal to zero, for each process. Part…

A:

Q: Which process should show the greatest increase in entropy? Select one: a. N,(g) + 0,(g) 2 NO(g) Ob.…

A: Entropy of a system depends upon the mass of the system. Mass of the system is directly proportional…

Q: Predict the sign of the entropy change. Justify your answers.  a) 2 HCl (g) + Br2 (l) --> 2HBr…

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

Q: Octane is typical of the components of gasoline. Estimate  (a) the entropy of vaporization of…

A: Latent heat of vaporization is physical property defines as the heat required to change the 1 mole…

Q: 00 mol He gas, regarded here as a perfect gas, und <pansion at 20.0 °C from 1 atm to 3 atm.…

A:

Q: In the previous reaction of carbon with water, why does the standard entropy you calculated have the…

A: The balanced given reaction is as follows,

Q: entropy change

A:

Q: Which of the following has the highest entropy (all at 100.0℃)? a. H2O (l) b. none - all of these…

A: d.  H2O (g)  Will have highest entropy at 100°C

Q: Examine each of the reactions in the multiple choices below and decide whether the entropy change…

A: If gaseous mole of product increases then reaction have positive entropy change if gaseous mole of…

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c.…

A: The randomness of molecules in scientific terms is called entropy. The molecules that are free to…

Q: Without doing a calculation, predict whether the entropy change will be positive or negative when…

A:

Q: Consider the reaction between nitrogen and oxygen gas to form dinitrogen monoxide:2 N2(g) +…

A: (a) Given data contains, The enthalpy of reaction is +163.2kJ. Temperature is…

Q: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A: We have:   Thus, the amount of energy required to boil 1.44 moles of CHCl3 is:

Q: 4.14)  A sample of neon (Ne) gas initially at 20 C and 1.0 atm is expanded from 1.2 L to 2.6 L and…

A: The temperature has to be converted from degree Celsius to Kelvin.

Q: With two dice, each numbered 1–6, there are two possible ways to roll a 3. and Thus, for the outcome…

A: The possible ways to roll a 4 is given below

Q: The heat of vaporization of carbon disulfide, CS2, at 25℃ is 27.2 kJ/mol. What is the entropy change…

A: For a phase change, entropy change is given by,

Q: 2.6. The reaction COXg) H2(g)-> CO(g) + H20(g) is not spontaneous at room temperature but becomes…

A:

Q: Photosynthesis in plants converts carbon dioxide and water into glucose and oxygen. Calculate the…

A:

Q: (a) In a chemical reaction 3 moles of A(g) and 2 moles of B(g) react to form 4 moles of C(g) and 1…

A: DS is referred as change in entropy.

Q: 3. For each of the following reactions, predict the sign of the entropy change (AS). Justify your…

A:

Q: With two dice, each numbered 1–6, there are two possible ways to roll a 3. and Thus, for the outcome…

A: Solution Entropy is a state function that is often mistakenly referred to as the ‘state of…

Q: Predict and explain if the entropy change of the following reactions or process is positive or…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: Predict the sign of the entropy change of the system for each of the following reactions. Explain…

A:

Q: The following reactions take place at 25 °C and 1 atm. Calculate the entropy change for urrounding.…

A: The change in entropy of the surroundings is a measure of how much energy is being taken in or given…

Q: For each pair of substances, choose the one that you expect to have the higher standard molar…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: When a reaction is exothermic and the products have more entropy than the reactants, the reaction is…

A: A reaction is said to be spontaneous when its ΔG value is negative.  ΔG = ΔH - TΔS ΔG is the change…

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

A:

Q: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A: The entropy change (in J/K) is to be calculated.

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c. NH3)…

A: Here we have to determine entropy change in the following given cases.

Q: You make tea with 0.250 (kg) of 80.0 ("C] water and let it to cool to 20.0 ['C) before drinking it.…

A:

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

A: From the second law of thermodynamics Entropy of the universe always increases. Or, the change in…

Q: Which reaction produces a decrease in the entropy of the system? A) 4 NH3(g) +  5 O2 (g)   →  4 NO…

A: Given reactions A) 4 NH3(g) +  5 O2 (g)   →  4 NO (g)  +  6 H2O (g) B) Na (s) + 1/2 Cl2 (g)  →  NaCl…

Q: The energy produced by a spontaneous reaction is often used to provide the energy to drive…

A: The amino acid combination can be depicted as:

Q: Consider the following combustion reaction: C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(g) ∆Hrxn = -2044 kJ…

A:

Q: Please consider 0.15 gm of Constantan (a Cu/Ni alloy widely used in thermocouples, c = 390 J/•K-kg)…

A: 0.15 g of Constantan was cooled through exposure to the lab atmosphere.

Q: Calculate the change in entropy that occurs in the system when 21.0 g of diethyl ether condenses…

A: Entropy is the measurement of the randomness of the particles of the difference systems. Gases have…

Q: The change in entropy, ΔSrxn∘, is related to the change in the number of moles of gas molecules,…

A: Entropy increase as the number of particle increase so randomness increase.

Q: 4) Melting point of zinc is 425°C. Standard entropy of zinc at 25°C is 40 J/molK. What is the change…

A: Change in entropy of zinc from 25°C to 725°Ccan be calculated in three cycles and in end all the…

Q: The normal boiling point of ethanol, C,H;OH, is 78.3°C, and its molar enthalpy of vaporization is…

A:

Q: A simple chemical system has an entropy value of 8.07E-23 J/mol K. How many microstates does this…

A: By the relationship between entropy and microstate , we have ;  S = KB ln Ω ----------------(I)…