What phase change is spontaneous (AG < 0) regardless of temperature? boiling freezing no phase change meets this condition melting condensation

Q: A process that is spontaneous in standard conditions can be non-spontaneous in non-standard…

A: For spontaneous reaction , we mean that reaction which proceed in forward direction spontaneously .…

Q: At what temperature does a process with [delta]H = +30. KJ and [delta]S = +300. J become…

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Q: 6. The vapor pressure of trichloromethane varies with temperature as follows: T, °C P, kPa 40 50 60…

A: The expression of Clapeyron clause’s equation is shown below: where; P1 = vapor pressure at…

Q: Which of the following processes are spontaneous: (a) the melting of ice cubes at -10 °C and 1 atm…

A: A spontaneous reaction is defined as a reaction that takes place on its own and no external energy…

Q: Which of the following options is true? 1. Entropy increases when a liquid freezes at its melting…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: Determine whether an example is spontaneous process (SP) or a non-spontaneous process (NSP). 1.…

A: Determination of process either spontaneous or non spontaneous with explanation.

Q: Which of the following are spontaneous processes? 1. Ice melting at 1atm and 298 K (assume only ice…

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Q: 2. Consider the following reaction at 298 K: N2 04(8) = 2NO2(g) Kp = 0.142 What is the standard free…

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Q: Popular chemical hand warmers generate heat by the air-oxidation of iron:…

A: The change in Gibbs free energy is as follows,                                         Where, delta…

Q: 15. What is the entropy change for ice melting, given that the enthalpy of fusion is 6.02 kJ at…

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Q: TRUE OR FALSE Processes that are spontaneous in one direction are also spontaneous in other…

A: In this question, we will see that this Statement is true or false. You can see details explanation…

Q: The enthalpy of the fusion of metal Cesium is 13.5 kJ/mol at the melting point of 28.5 oC. Calculate…

A: Since the entropy change for a process happening at a constant temperature of melting point is given…

Q: Assume that we have the following two processes (i) A liquid freezes to form a crystal (ii) NaCl…

A: Spontaneous process is the one which happens on its own without any external aid. Free energy change…

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: 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: Give an example for each of the following and provide an explanation.   1. A spontaneous process 2.…

A: A spontaneous process is the process which takes place on its own without any external force.

Q: Al203(s) + 3H2(g , p = 1 bar) → 2AI(s) + 3H2O(I) at T = 298 K, answer each of the following by doing…

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Q: Liquid water at 100 degrees C is in equilibrium with water vapour at 1.00 atm pressure. (a) If the…

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Q: For a chemical reaction to be spontaneous only at low temperatures, which of the following…

A: For any reaction to be spontaneous, the value of ΔGo i.e DGo of the reaction should be -ve. Hence…

Q: 5-gibbs For benzene, C,H6, the heat of fusion at its normal melting point of 6 °C is 10.0 kJ/mol.…

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Q: Given the balanced reaction A + 3B = 2C, calculate the entropy change of the universe if: T = 25…

A: Given, A + 3B = 2C Temperature (T) = 25°C = (25 + 273.15) K = 298.15 K A and B are pure gases.…

Q: A reaction with ∆S > 0 is spontaneous at high temperature. Under what conditions would it also be…

A: Reaction is spontaneous with ∆S &gt; 0 at high temperature.  The conditions at which reaction is…

Q: find the temperature in K above which a reaction with a delta H of 195.7 kJ/mol and 58.7 deltaS J/K…

A: For a reaction to be spontaneous, the value of should be negative i.e. . The given problem can be…

Q: Which thermodynamic property is the best measure of the molecular activity of a substance?…

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Q: 1.Physical or chemical change that occurs with no outside assistance Successives Processes…

A: Ans) 1) Spontaneous Processes 2) Decrease 3) Phase Change form solid to gas 4) Increase 5) Nuclear…

Q: Benzene is a liquid under standard conditions. The standard enthalpy and entropy changes for the…

A: The equation of Gibbs Helmholtz is mainly used to predict any particular liquid's boiling point (T).…

Q: becomes spontaneous

A: As we know,  □G° = □H° - T(□S°) For Spontaneous reaction,  □G° &lt; 0 So,  0 &lt; □H - T(□S°) □H°…

Q: these two reactions: Reaction 1: 2OF2(g)⟶O2(g)+2 F2(g)ΔH=−49.4 kJ  Reaction 2:…

A: -&gt;A reaction is spontaneous if ∆G&lt;0 -&gt;A reaction is non spontaneous if ∆G&gt;0

Q: Under what conditions is N0glg)7 NOG)+NO,g spontaneous?

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Q: What is the vapor pressure, in mmHg, of ethanol at 52.1 °C? What is the entropy of vaporization at…

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Q: What is the melting point of ice under 100 atm pressure, given the following information? The molar…

A: Interpretation-  To determine the melting point of ice under 100 atm pressure when all the…

Q: Diamond at latm and 250C have a negative free energy for the formation of graphite. However, this…

A: The structure of Diamond has many very strong carbon - carbon covalent bonds which require a lot of…

Q: For the following example, identify the following. CO2(l) → CO2(g) Group of answer choices at low…

A: The expression that will be used to determine the spontaneity of a reaction with temperature is…

Q: Calculate the change in entropy of a 1kg of He gas at the normal boiling point of He when it all…

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Q: What phase change is spontaneous (ΔG &lt; 0) regardless of temperature? Group of answer choices…

A: Spontaneity is dependent on temperature:  some processes are spontaneous at some temperatures, and…

Q: The melting point of tungsten, 3407°C, is the second highest among the elements. The enthalpy of…

A: Consider the given information is as follows; Melting point of tungsten (T) = 3407°C = 3407 + 273.15…

Q: Which of the following processes are spontaneous.  Cold water warming to room temperature Sorting…

A: A process that occurs by itself without the help of any external agency is called a spontaneous…

Q: For Numbers 11- 16, Identify whether each process is : %3D A. spontaneous or B. non-spontaneous 11.…

A: Spontaneous process refers to the process which occurs on its own without the requirement of…

Q: Benzene is a liquid under standard conditions. The standard enthalpy and entropy changes for the…

A: Since enthalpy change is positive that is the reaction is undergoing absorption of heat. Due to…

Q: .  Find DHrxn, DSrxn, and DGrxn, using the tables at the end of your textbook for the phase change…

A: Given: Phase change reaction of water from liquid to gas. To find: ∆Hrxn , ∆Srxn , ∆Grxn Solution:…

Q: Which one of the following processes produces a decrease in the entropy of the system? precipitation…

A: Entropy is defined as the measure of randomness in the particles of a given substance or system. If…

Q: Benzene standard evaporation entropy is 96.4 J / K.mol and standard evaporation enthalpy is 33.9 kJ…

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Q: Which of the following statements explains why CO2 sublimates instead of melts at atmospheric…

A: If pressue is low enough then water -ice will sublime.dry Ice work the same. It sublime because the…

Q: How much heat is removed from the condensation of water at 25°C? Given the standard entropy of the…

A: In this question we need to find out latent heat of vaporization. Let us solve this step by step.

Q: determine whether each reaction is spontaneous under standard conditions. If a reaction is not…

A: Spontaneity of the Reaction depends on Gibbs free energy change value. If the value of ∆G is…

Q: 4 Fe 3 0, 2 Fe,O3 AS° sys = - 225 J/K + AH° 0.0 0.0 -98.3 kJ/mol What is AS°uniy if AS° sys = - 225…

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Q: The vaporization of bromine requires 31.0 kJ/mol and has an increase in disorder (AS° = 93.0…

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