Which of the following reactions is likely to have the most negative change in entropy? a. NH3(g)  +  HCl(g)  ®  NH4Cl(s)   b. C6H6(l)  ®  3C2H2(g)   c. CaCO3(s)  ®  CaO(s)  +  CO2(g)   d. 2NH3(g)  ®  N2(g)  +  3H2

Q: silicon, Si, the heat of vaporization at its normal boiling point of 2355 °C is 297.1 kJ/mol. The…

A: The question is based on the concept of chemical thermodynamics. we have to calculate entropy of…

Q: which of the following processes produces a decrease of the entropy of the system? dissoling sodium…

A: Entropy is the measure of randomness.

Q: Methane reacts with chlorine gas to produce methyl chloride and hydrogen chloride. This reaction is…

A: A reaction is spontaneous when ∆G of the reaction is negative and ∆G is determined by the formula :…

Q: Rank the following substances in order of increasing standard molar entropy. (Please use the numbers…

A: Here, we have to rank the given substances in order of increasing standard molar entropy (S°). Given…

Q: Indicate whether entropy increases or decreases in each of the following reactions.  If you cannot…

A: ->S(gas)> S(liquid)>S(solid) -> If moles of gaseous species increases in product side ∆S…

Q: chapter 12:  9) What are ΔH°rxn, ΔS°rxn, and ΔG239.0 K for the following reactions at 239.0 K?…

A: Given Temperature = 239.0°K Compound ΔHºf (kJ/mol) Sº (J/mol • K)  H2S(g)  –20.17  205.6…

Q: Which reaction below would result in a net decrease in entropy?   I2(g) ↔ 2I(g)   N2O(g) + 2H2O(g)…

A: Entropy is the measure of randomness or we can say that if a system is more disordered then its…

Q: When solid sodium chloride is cooled from 25°C to 0.°C, the entropy change is –4.4 J/mol. K. Is this…

A: Entropy is a measure of the degree of disorder or randomness in a system. It is a thermodynamic…

Q: Consider the following reaction: 2 NO(g)  N2(g) + O2(g) The enthalpy change at 298 K for this…

A: The given equilibrium reaction is  2 NO(g) ---------->  N2(g) + O2(g) The enthalpy change at 298…

Q: 5. The change in entropy for condensing 51 g ammonia (NH3()NH3) at its boiling point (240K) is 293…

A: The mass of ammonia given = 51gThe entropy given = 293J/K

Q: If the helium was open to the atmosphere and you heated it from 25°C to 100°C, would the change in…

A: the change in entropy will be larger  than heating it in a sealed box.

Q: 2 H2(g) + O2(g) → 2 H2O(l) HCl(g) → H+(aq) + Cl-(aq) Na(s) + 1/2 Cl2(g) → NaCl(s) What is right?…

A:

Q: 32) Which reaction is accompanied by an increase in entropy? A) C8H16(1) + 12 O₂(g) →8 CO₂(g) + 8…

A:

Q: Two systems, each composed of two particles represented by circles, have 20 J of total energy. Which…

A: The system which has greater entropy has to be given and the reason has to be explained.

Q: The change in entropy, AS¡xn, is related to the the change in the number of moles of gas molecules,…

A: Introduction: Entropy: The entropy measures the randomness or disorder of a system. It's a state…

Q: Will entropy increase or decrease in the following reactions? Explain? N2(g) + 2O2(g) ------->…

A:

Q: А. 2 H, (g) + 0,(g) 2 H,O(1) The entropy, ASixn, mol Angas has little or no change. decreases.…

A: The Δngas of any reaction is defined as, => Δngas = sum of number of gaseous molecules in product…

Q: For the conversion of reactant A to product B, the change in enthalpy is 7.80 kJ·mol-1 and the…

A: Solution: ∆H= 7.80 KJ mol-1∆S= 44.4 JK-1

Q: Which reaction is accompanied by an increase in entropy? Select one: O a. BaO(s) + CO2(g) → BaCO3(s)…

A: when less number of gaseous reactants form more gaseous products, there will be an increment in…

Q: In which set is the substance with a larger positive entropy listed first? a. NaCl(s), NaCl(aq) b.…

A: In this question, we will see which have larger positive entropy in each set.  You can see details…

Q: the

A: Dear student I have given answer to your question in the image format.

Q: Which chemical change listed below represents a decrease in entropy?   Choices: a. N2(g) + 3H2(g) ®…

A: Given,  The listed chemical equations that represents a decrease in entropy is:

Q: For cobalt, Co, the heat of vaporization at its normal boiling point of 3097 °C is 389.1 kJ/mol.…

A: Given: Boiling point of Co = 3097 °CHeat of vaporization of Co = 389.1 kJ/molMoles of liquid Co =…

Q: How many of the following processes below exhibit a positive entropy change? I.    methane (g)  +…

A: Welcome to bartleby !  Introduction :  We have to tell reaction in which entropy change is positive…

Q: A metal alloy melts with an enthalpy change of 75 kJ/mol and an entropy change of 133.0 J/K.mol.…

A: For the melting of alloy, Enthalpy change (∆H) = 75 kJ/mol…

Q: When heated, CaCO, decomposes into CaO and CO₂ according to the following equation: CaCO,(s)=CaO(s)+…

A: Given,CaCO3 (aq) + CO2 (g)

Q: The nonspontaneous reactionD + E → F decreases the system entropy by 37 J/(K·mol) What is the…

A: Given: The non-spontaneous reaction, D+E à F decreases the system entropy by 37 J/(K*mol).

Q: Which of the following reactions has a positive change in entropy, ∆S? Choose ALL that apply. Group…

A: Second law of thermodynamics:In Second law of thermodynamics, the change in gibb’s free energy at…

Q: Which of the following reactions is associated with an increase in entropy?   a) 2H2O2(l) → 2H2O(l)…

A: Given,  a) 2H2O2(l) → 2H2O(l) + O2(g)   b) Cl2(g) →Cl2(l)   c) CH3COOH(l ) →…

Q: Does the entropy increase or decrease in these reactions? Why? 4Al + 3O2 -------> 2Al2O3 C + 2Cl2…

A: Entropy is a measure of degree of disorder or randomness in the system. The greater the randomness…

Q: The graph below shows the change in Gibbs free energy for two reactions. Change in Gibbs Free Energy…

A: According to Thermodynamics,  ∆G>0 = non spontaneous ∆G< 0 = spontaneous ∆G = 0 , At…

Q: Which reaction would have an increase in entropy?   a. 2 NH4F (aq) + BaS (aq) → (NH4)2S (aq) +…

A: -> ∆S(gas)>∆S(liquid)>∆S(solid) ->If number of gaseous species in product increases then…

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

A: Change in number of moles in a reaction is calculated by subtracting the moles of gaseous reactants…

Q: For the following chemical reaction, predict the sign of the change in entropy (AS). 6Cl2 (g) +…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: Consider the combustion of acetylene in nitrous oxide. C₂H₂(g) +5N₂O(g) → 2 CO₂(g) +5N₂ (g)…

A: We have find out the solution.

Q: In which of the following reactions do you expect to observe a decrease in entropy? A. N₂(g) + O₂ 2…

A:

Q: Select all of the following reactions that would be expected to provide a negative change in…

A: The answer is given below

Q: positive entropy change.

A:

Q: Which of the following reactions will result in a decrease in entropy?

A:

Q: A. Indicate whether entropy increases or decreases and positive or negative in the following…

A: Entropy measure the randomness of system.  The order of intermolecular forces present in different…

Q: Which of the following reactions results in a decrease in entropy? CaCO3 (s) CaO (s) + CO2 (g) N2O4…

A: Unit temperature measurement of the thermal energy method  is not usable for practical application.…

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

A:

Q: For each reaction below identify if entropy will increase/decrease/stay the same a. 2 HCl (aq) +…

A:

Q: Of the following reactions, which involves the largest decrease in entropy? A. CaCO3(s) → CaO(s) +…

A: Entropy of gaseous products are the maximum compared to liquids and solids. The entropy decreases…

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH (g) →3 Ni(s) + N,(g) + 3 H,O(g) K If AH° =…

A:

Q: What is true about the following reaction: Br₂(1) + 2CIF 3(g) 2BrCl(g) + 3F₂(g) i. For this reaction…

A: The given reaction is: Br2(l) + 2ClF3(g) -> 2BrCl(g) + 3F2(g).

Q: Which of the following processes results in the largest decrease in Entropy? The heat of fusion of…

A: Entropy an be defined as the thermal energy per unit temperature that is unavailable for doing a…

Q: The change in entropy, Δ?∘rxnΔ, is related to the the change in the number of moles of gas…

A: As we know, entropy is a measure of randomness, more the randomness in the system, more is the…

Q: chapter 12: 9) What are ΔH°rxn, ΔS°rxn, and ΔG239.0 K for the following reactions at 239.0 K?…

A: