Which of the following has the greatest entropy- (a) H2O (g) at 100 °C (b) H2O (€) at 100 °C (c) H2O (g) at 110 °C (d) H2O (t) at 90 °C

Q: 12. For mercury, the enthalpy of vaporization is 58.51 kJ/mol and the entropy of vaporization is…

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Q: What is the type of entropy change for 2 H2 (g) + O2 (g) —> 2 H2O (l)? Provide Description.

A: 2 H2 (g) + O2 (g) —> 2 H2O (l) entropy change:

Q: Without reference to any data tables, choose which member of following pairs has the lesser…

A: (27) H2O(l) or H2O(s) B has the lesser amount of entropy.

Q: What is the minimum temperature for the spontaneous reaction of CCI4 (1) to CCI4 (g)" when AH° is…

A: By using the formula ∆G=∆H-T∆S Given ∆H =573kj/mol K

Q: List the following in terms of increasing entropy, assuming one mole each of a. H2O (l), C (s,…

A: We know that,  Entropy measure randomness. It means that, more randomness means more entropy as like…

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: 39 of 48 Which reaction is spontaneous at SATP? O AH=62.5 kJ, AS -1.25 J/K O AH--10.1 kJ, AS=-49.6…

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Q: The normal boiling point of ethanol is 73.2˚C, and its molar enthalpy of vaporization is 41.2…

A: Given : Normal boiling point of ethanol = 73.2 ˚C And enthalpy of vaporization, ΔHvap = 41.2 KJ/mol…

Q: Given: H2O(l) → H2O(g) ΔH° = 40.7 kJ at 373K What is the entropy change in the system (ΔS) when…

A: The given chemical equation as follows --- H2O (l)     →     H2O (g)       ΔH° = 40.7 kJ at 373 K…

Q: The heat of fusion for water is 333.6 J/g. What is the entropy change for the universe when 1.00 L…

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Q: Which of the following combinations of signs for AH and AS will always result in a reaction being…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

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

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Q: Which of the following processes have ΔSsys > 0? (a) 2 NO(g) + O2(g) → 2 NO2(g) (b) methyl alcohol…

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

A: Given reaction at 25°C;  C6H10 (g) ↔ 6C (gr) + 5H2 (g) The standard entropies of reactants and…

Q: 5. The entropy of vaporization (AS.) for toluene is 87.30 J/K-mole. The enthalpy of vaporization…

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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: In photosynthesis, plants form glucose (C,H1206) and oxygen from carbon dioxide and water. Write a…

A: The balanced equation for photosynthesis is: 6CO2(g)+6H2O(l)→hvC6H12O6(s)+6O2(g) Determination of…

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: 4.) Which statement is correct at constant temperature and pressure? A. All reactions for which…

A: Spontaneity of any system is decided by the value of ΔGsys.

Q: What is the entropy change for the solidification of 1.00 oz. (28.3 g) of liquid gold at 1064°C? The…

A: Given,Mass of gold = 28.3 gTemperature, T = 1064°C = (1064 + 273) K =1337 KEnthalpy of fusion of Au…

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

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: Given the data below, calculate the standard entropy of the following reaction.  C(s) + H2O(g)…

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Q: Predict the sign of the entropy change of the system foreach of the following reactions:(a) N2(g) +…

A: We will answer first three subparts at a time since you have not mentioned the exact subparts that…

Q: It is determined that a particular chemical reaction has AH°rxn = 105 kJ and As°rxn = 252 JK1.…

A: For spontaneous reaction delta G must be negative....

Q: Consider the vaporization of liquid water to steam at a pressure of 1 atm.In what temperature range…

A: vapourization in which the process in which the liquid to vapor phase. an endothermic reaction is a…

Q: A small dish containing 530 g of water isplaced outside for the birds. During the night the outside…

A: A small dish containing 510 g of water is placed outside for the bird. Surroundings absorb the heat…

Q: Calculate the entropy change, A Suniverse for the following reaction, at standard condition. CO2 (g)…

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Q: d standard entropy change for the reaction are: =-114.0 JK' mot", respectively. rgy change for the…

A: This question is related to Thermodynamics

Q: 9. The standard enthalpy of vaporization of methanol is 35.2 kJ/mol at its normal boiling point,…

A: When a liquid changes to a vapor state the entropy of the system increases. The entropy of…

Q: Under which conditions is a reaction spontaneous at all temperatures, according to AG = AH – TAS O…

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Q: A chemicai engineer is studying the two reactions shown in the table below. In each case, she fills…

A: Given2 Fe2O3(s)  → 4 Fe(s)  + 3O2(g)T = 135.0 °CT = (135 +273.15) K = 408.15 K∆H = 1648 kJ1kJ =…

Q: N2H4 (g) + H2 (g) ---> 2N2H3 Would you expect the entropy change for the above reaction to >0,…

A: Given,One mole of hydrazine reacts with one mole of hydrogen produces two moles of ammonia.

Q: Which of the following diagrams (enter A, B, C, or D), best describes the entropy changes for the…

A: As we are moving from liquid to gas entropy increases

Q: Predict the sign of the entropy change of the system for each of the following reactions: (a) N2(g)…

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Q: Consider the following reaction, where AG°=-625 J at 300 °C, 2 XO(G) + O2(g) 2 X02(g) a) Determine…

A: a) 1.284 b)-47.35 KJ c)Yes d)S=652.77 , H=1952208.33

Q: þetermine the values of AH', AS'and AG'for the following two reactions at 25 °C, using the data…

A: A spontaneous reaction is a reaction that favors the production of compounds under the conditions…

Q: Which of the following processes are spontaneous and which are nonspontaneous: (a) the ripening of a…

A: Spontaneous process The process that can take place without the assistance of any external factor is…

Q: What is the standard entropy change for the following process: H20(g) → H20(1) Substance AS°(J mol 1…

A: Given reaction is  H2O(g) ------> H2O(l)  Given that ,  ∆S° of H2O(g) = 188.71 J.mol-1.K-1 ∆S° of…

Q: By examining the following graphs, predict which element- copper or gold-has the higher absolute…

A: To predict which element Cu or Au has a higher absolute entropy at a temperature of 200 K.

Q: What is the minimum temperature for the spontaneous reaction of CFCI3 () to CFCI3 (g) when AH° is…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: The mathematical equation that best defines the change in molar entropy of the system is O A. Atrs S…

A: Reversible phase transition requires positive heat qtrs . Because the pressure is constant, the heat…

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

A: In given reaction methanol at liquid state gets converted to methanol at gaseous state. Generally…

Q: Without reference to any data tables, choose which member of the following pairs has the lesser…

A: Entropy is defined as the randomness of the system.

Q: 16. Which among the following represents a positive change in entropy? O release of thermal energy O…

A: Entropy is defined as the randomness of a system. Thermal energy is also called heat energy. A…

Q: The accompanying diagram shows how entropy varieswith temperature for a substance that is a gas at…

A: Entropy is the measure of the randomness. More the randomness , more the entropy. Thus , entropy of…

Q: (a) What sign for ΔS do you expect when the volume of0.200 mol of an ideal gas at 27 °C is increased…

A: a) The sign of change in entropy needs to be determined if 0.200 mol of an ideal gas at a…

Q: 2. For each of the following pairs, choose the substance with the higher entropy permole at a given…

A: Entropy - It is defined as the measure of teh system's thermal energy per unit temperature that is…

Q: 3. 2. 1 shift sifı the absolute entropy for Oz (g) is u26 07 Coiole k), what-i3 the AS forithe…

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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