The entropy of mixing Amix S of two substances depends on the temperature. O True O False

Q: The heat of vaporization AH, of acetonitrile (CH3CN) is 29.8 kJ/mol. Calculate the change in entropy…

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Q: A process cannot be spontaneous if_ O it is exothermic, and there is an increase in disorder O it is…

A: ∆G= ∆H -T∆S for a spontaneous reaction free energy should be always negative.

Q: Consider the reaction at 298 K. 2 C(graphite) + O2(g) 2 CO(g) AH° = -221.0 kJ/mol > Calculate the…

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Q: Nickel metal reacts with carbon monoxide to form tetra-carbonyl nickel, Ni(CO)4:This reaction is…

A: Given that :

Q: Which of the following processes represent a decrease in entropy for the system described? Select…

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Q: Spontaneous processes are reversible. O True O False

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Q: For the reaction Na₂CO3 + 2HCl-NaCl + CO₂ + H₂O ΔH is -144.1 kJ. What is ΔU

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Q: Vhemical engineer is studying the two'reactions shown in the table below. In each case, he fills a…

A: Value of ∆G or ∆S can be calculated using relation : ∆G = ∆H - T∆S A reaction is Spontaneous if ∆G…

Q: 47. What is always true for any spontaneous reaction?

A: A spontaneous reaction is a reaction that favors product formation under the conditions reaction is…

Q: say you have a super saturated solution which you stick a tooth pick and the mixture changes, would…

A: Given: A super saturated solution  Stick the tooth pick in the super saturated solution  The form…

Q: what is a tharmodaynamic

A: Thermodynamics is a branch of science in which we study about the change in temperature or heat…

Q: At -5.58 °C the concentration equilibrium constant K = 7.3 × 10 for a certain reaction. Here are…

A: Answer: Given data: K1=7.3×10-5∆H=113kJ/molT1=-5.58°C = -5.58+273 K =267.42KT2=4.9°C=4.9+273 K=…

Q: Which of the following is the best example of a positive change in entropy? O A) The mixing of two…

A: Entropy is the degree of randomness or disorder. If randomness increase then entropy will also…

Q: An endothermie process that decreases in entropy is always nonspontaneous. Why can't we determine a…

A: Since the reaction is endothermic, enthalpy change(∆H) is always positive.  When entropy decreases,…

Q: istinguish between spontaneous and reversible process

A: There are certain processes which helps to study about the reaction completion, whether the reaction…

Q: For the reaction 4HCl(g) + O2(g) → 2H2O(g) + 2Cl2 (9) AH° -114 kJ and AS° = -129 J/K The equilibrium…

A: Approach to solving the question: Detailed explanation: Examples: Key references:

Q: Consider the reaction 4HCl(g) + O2(g) ----> 2H2O(g) + 2Cl2(g) Using the standard thermodynamic…

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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: It refers to how a circumstance can occur without the help of any external factors? a. Enthalpy O b.…

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Q: 10. Entropy can be calculated by a relationship proposed by Ludwig Boltzmann:52S = InWwhere k = 1.38…

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Q: A reaction produces a value for ΔSuniv of -2,700 J/K at 295 K.     spontaneous…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: A process increases the entropy of the system by 493 J/mol K and absorbs 87 kJ/mol of heat from the…

A: Answer is given as follows

Q: A chem v ngineer is studying the two reactions shown in the table below. In each case, he fills a…

A: The ΔG for the reaction can be calculated as follows : ΔG = ΔH - TΔS If ΔG comes out to be negative…

Q: Define Spontaneous and Nonspontaneous Processes?

A: Spontaneous Process:  The process which can take place by itself or by initiation independent of the…

Q: For the reaction NH4NO3(aq)N₂O(g) + 2H₂O(1) AH° = -149.6 kJ and AS° = 99.9 J/K The equilibrium…

A: According to Gibbs Equation, the relation between standard change in Gibb's free energy (∆G°), the…

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

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Q: Does vaporization at lower temperature decrease entropy?

A: Entropy is nothing but it is measure of randomness.In…

Q: I use dry ice (solid CO2 which is -78.5 ℃) in my lab to cool reactions. If I leave a chuck of dry…

A: The heat capacity of dye ice at 25.0 oC is 0.846 J/goC. The total required heat to sublimate and…

Q: A chem V 1gineer is studying the two reactions shown in the table below. In each case, he fills a…

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

A: ΔG ΔH ΔS Spontaneous at all temperature - + Spontaneous at low temperature - -…

Q: Consider the reaction. Fe(s) + 2HCl(aq) FeCl₂(s) + H₂(g) Based upon the stoichiometry of the…

A: Fe(s) +2HCl(aq) -----> FeCl2(s) + H2(g)  -> Gas has greater entropy than liquid and liquid has…

Q: help

A: Basically two type of calorimetry is used in the lab.  1- First one is bomb calorimeter : in this…

Q: Consider the reaction 2 SO2 (g) + O2 (g) 2 SO3 (g) at 298 K. What is Go for this reaction? What is…

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Q: When 6.78 g of solid ammonium nitrate dissolves in 50.0 g of water at 18.9oC, the temperature of the…

A: Given:Specific heat of water = 4.18 J/g. oCMass of ring = 50 gMass of ammonium nitrate = 6.78…

Q: A chem ngineer is studying the two reactions shown in the table below. In each case, he fills a…

A:

Q: Consider the reaction 2H₂S(g) + 30₂(g) 2H₂O(g) + 2SO₂(g) Based upon the stoichiometry of the…

A: Here we are required to find the net entropy of the reaction

Q: At - 16.4 °C the pressure equilibrium constant K, = 7.4 for a certain reaction. Here are some facts…

A: From the given data - Kp = 7.4 at -16.4o C (256.6 K) Kp = ?  at -330C  (240 K) The second value is…

Q: ngineer is studying the two reactions shown in the table below. In each case, he fills a reaction…

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Q: Select the substance that contains the greatest standard molar entropy in the gaseous state. O…

A: Correct option is - CH3CH2CH2CH2OH

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 20.0 °C is 86.1 kJ.…

A: Given, standard Gibbs free energy, ΔG° = 86.1 kJ           temperature, T = 20°C = 20 + 273 K = 293…

Q: onsider the reaction 2 SO2 (g) + O2 (g) 2 SO3 (g) at 298 K. What is Go for this reaction? What is…

A: The reaction is: 2 SO2 + O2 ↔2 SO3 Equilibrium constant K = [SO3]2 / [SO2]2 [O2]

Q: An organic compound CyHyO is a liquid at room temperature. The normal freezing point of this…

A: Given: Freezing point = -30°C = (-30+273) K = 243 K∆H fus = 4730 J/mol Since fusion is the reverse…