Which of the following conditions describe a reaction that is spontaneous at "low" temperature and nonspontaneous at "high" temperature? Group of answer choices: A) ΔH (-),  ΔS (+) B) ΔH (+),  ΔS (-) C) ΔH (+),  ΔS (+) D) ΔH (-),  ΔS (-) E) None are true.

Q: Predict the normal boiling point of hydrogen peroxide (H2O2) from the following data:    ΔHºf,…

A: Given data:

Q: For the following reaction (the detonation of nitroglycerin), is it spontaneous under standard…

A: Given that : We have to identify whether the reaction for the detonation of nitroglycerin is…

Q: Consider the reaction: NH, (0) + HCI (g) NH,CI (4) Given the following table of thermodynamic data…

A:

Q: 13) Calculate AG° spontaneous in each case? for the reaction above at a) -50.0 °C and at b) 675 °C.…

A:

Q: 2NO(g)+O2(g)→2NO2(g)ΔH°=−112kJ/molrxn Answer the following questions about the reaction represented…

A: Please have a look on the sol:

Q: AH-2044 kJ and AS-103 J/K For reaction: C₂H₂(g) + 5O₂(g) + 3 CO₂ (g) + 4H₂O(g) ta) Calculate AG at…

A:

Q: What is the free energy change at 25°C for the reaction below, if ΔGfo(CH4(g)) = -50.790 kJ/mol,…

A:

Q: Which reaction(s) will be spontaneous at all temperatures? Question 23 options: A) 4NH3(g) +…

A: The change in Gibbs free energy (∆G) is given by the relation ∆G = ∆H - T∆S  ∆H = change in enthalpy…

Q: Calculate the temperature (K) at which a reaction becomes spontaneous when ΔS = 771 J/mol-K and ΔH =…

A:

Q: (a) 2CH4(g) + 2CO2(g) CH4(g) + 2H0(g) + 2CO (g) (b) CO2(g) + 3H;(g) → CH;OH(g) + H2O(g) (c)…

A:

Q: 8) For the reaction at 298 K, 2NO2(g) --> N2O4(g) The values of ΔH=−58.03 kJ and ΔS=−176.6 J/K. What…

A:

Q: Which of the reactions are spontaneous (favorable)? O 2 H,O(g) 2 H,(g) + 0,(g) AG = 457 kJ/mol %3D O…

A:

Q: #5 Be sure to answer all parts. Determine Δngas for each of the following reactions: (a)…

A: Δngas = total number of gaseous molecules in product side - total number of gaseous molecules in…

Q: Use the attached image to answer the following question for the reaction. Given the absolute…

A:

Q: Is the Haber process for the industrial synthesis of ammonia spontaneous or nonspontaneous under…

A: Answer: To check the spontaneity of the reaction we have to use below shown relation: ∆G°=∆H°-T∆S°…

Q: Which substance has the higher entropy?(a) dry ice (solid CO2) at -78°C or CO2(g) at 0 °C(b) liquid…

A: Entropy is defined as the degree of randomness or disorderliness of the System.   if the molecules…

Q: Spontaneous reactions are the reactions that  occur on its own, without the use of any external…

A:

Q: as) omar boiling point of 68.7C. The enthalpy of vaporization for hexane is 3156 k/mol.

A:

Q: Given that ΔG0f  for SF6 = -1105 kj/mol, and  ΔG0reaction = -374 kj/mol, what is ΔG0f  for SF4 in…

A: Given:  ΔG0f for  SF6 = -1105 kJ/mol ΔG0f for  F2 = 0 kJ/mol ΔG0reaction = -374 kJ/mol

Q: Hi, I need help with this step-by-step please thank you.

A: For any reaction that proceeds spontaneously, the value of free energy that is Delta G remains…

Q: What is the relationship of the temperature with the calculated ΔH? Compare the ΔH of the three…

A:

Q: Which of the following combinations for ΔS and ΔH will NOT, under any circumstances, result in a…

A: A reaction is considered to be spontaneous if the value of Gibbs free energy ∆G is negative. While…

Q: A reaction will be spontaneous at lower temperatures when the sign of ΔH and ΔS is: Group of answer…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: For which set of conditions is the reaction always nonspontaneous?   ΔH = 0 and ΔS = 0   ΔH = + and…

A: See the complete solution given below

Q: (a) Predict the sign of AS with explanation for each process. (i) H2O (g)→H2O (1) (ii) Solid carbon…

A: Entropy represent degree of randomness or measurement of randomness. It is an extensive properties…

Q: Calculate the ΔGo for the following equation.   Sb4O6(s) + 6C(graphite) ⟶ 4Sb(s) + 6CO(g) Group…

A:

Q: What happens to ΔG°298 (becomes more negative or more positive) for the following chemical reactions…

A: The relation between ΔG° and equilibrium constant, K is as follows: ∆G°=-RT ln K…

Q: 2 NH3 (g) + 2 O2 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: (a) Is an endothermic reaction more likely to be sponta-neous at higher temperatures or lower…

A: Since you have posted multiple questions, we will solve only one question for you. If you any…

Q: At 25°C, the reaction N2(g) + 3 H2(g) - -> 2 NH3(g) is extremely slow, although thermodynamics shows…

A: Data

Q: 38. Based on the AHand AS values for a given chemical reaction, it is possible to predict whether…

A: We know according to Thermodynamics ∆G = ∆H -T∆S  For a reaction to be spontaneous ∆G must be -ve .

Q: Consider the combustion of ethane: 2C2H6 + 7O2 --> 4CO2 + 6H2O Substance ΔHf C2H6 -84.7 O2 0 CO2…

A:

Q: For each reaction, predict the sign and find the value of ΔS°:

A: It’s given below :

Q: The boiling point of carbon disulfide is 46.3oC at 1.0 atm, and its enthalpy of vaporization is…

A:

Q: Comment on whether ΔH and ΔS favor spontaneity of the following reactions. Explain your reasoning!…

A: Spontaneous reaction are those which occur in forward direction and favour the formation of product.

Q: For which set of conditions will a reaction not be spontaneous at all temperatures?   A ΔHrxn > 0;…

A: The formula is  ΔG = ΔH - TΔS The reaction is spontaneous if ΔG < 0 The reaction is…

Q: Determine ΔG0 at 298 K for N2(g) + 3 H2(g) <---> 2NH3(g) given Substance ΔH0f (kJ/mol)…

A: The given reaction is, N2(g) + 3H2(g) → 2NH3(g) The enthalpy change of the reaction can be…

Q: Which of the following processes are spontaneous and which are nonspontaneous: lightning

A: Spontaneous process  is a process, which occurs on its own without external forces. They are…

Q: What is ΔHsys for a reaction at 16.9 °C with ΔSsurr = -159 J mol-1 K-1 ? Express your answer in kJ…

A: ΔSsurr & ΔHsys are related to each other as ΔSsurr = Where ΔSsurr is entropy change for…

Q: Which of the following reactions will NOT be spontaneous at any temperature?          (A) 2SO3(g)…

A: If Delta G is negative then reaction is spontaneous and if positive then reaction will never be…

Q: 4 NH3 (g) + 5 O2 (g) -4 NO (g) + 6 HzO (g) ArHo = -906 kJ For the reaction above, predict the sign…

A:

Q: For a certain chemical reaction, ∆H° = -35.4 kJ and ∆S° = -85.5 J>K. (a) Is the reaction…

A: The heat given off or absorbed in a chemical reaction is known as heat of the reaction. On the basis…

Q: Describe how matter is redistributed when the following spontaneous processes take place:(a) A solid…

A: Sublimation:- It is the change in form of substance from solid state to gaseous state. Example-…

Q: What is the value for Δ G at 273K in cal/mol? (Be careful to only use 3 Sig Figs in your…

A: i) given ΔH = +1.44 kcal/mol = 1440 cal/mol ΔS = 5.26 cal/mol. K T = 273 K ΔG = ΔH - TΔS       =…

Q: Which of the following sets of conditions is true for an exothermic reaction that is spontaneous at…

A: Enthalpy, entropy both of these two factors determine the fate of reaction. The reaction either…