8. For the reaction, A + B C, AH° = +30 kJ/mol; AS° = +50 J/molK. At 300 K, what must be the sign of the ASuniverse Briefly explain.

Q: The dissolution of ammonium nitrate occurs spontaneously in water at 25 °C. As ammonium nitrate…

A: On dissolution, the temperature of the reaction decreases which means that the reaction is…

Q: For a reaction that is nonspontaneous at all temperatures, what must be true about its AH and AS? AH…

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Q: The reaction (Tindak balas): N2 (g) + 3H2 (g) ⇌ 2NH3 (g) Given (Diberikan): ΔH = 92.22 kJ/mol ΔS =…

A: Given: ∆H = 92.22 kJ/mol = 92.22×103 J/mol ∆S = -198.75 J/K•mol

Q: In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon…

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Q: 1. Given CHa + 3 Ore + 2 CO + 2 H,O with AH° = -1323 kJ and AS° = -30 J/K Decide if the reaction is…

A: If the Gibbs free energy change for a reaction is negative then the reaction will be spontaneous and…

Q: The following reaction is nonspontaneous at 25°C: Cu20(s) → 2Cu(s) + '/202(g), AG° = 141 kJ/mol If…

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Q: Given the AH°f, calculate the AH°xn for the formation of diamond from graphite. AH°; (C, graphite) =…

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Q: 8. Assuming AS° and AH° do not vary with temperature, at what temperature will the reaction shown…

A: The solution is as follows :

Q: Which process would be predicted to have AS < 0? a solid melting a bond forming a solution being…

A: When atoms are more randomly or disorderly present in a substance then it is called entropy of…

Q: The dissolution of ammonium chloride occurs spontaneously in water at 25 °C. As NH4CI dissolves, the…

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Q: For the gaseous reaction of carbon monoxide and chlorine to form phosgene (COCl2), perform the…

A: Given,ΔHo = −220. kJ/molΔGo = −206 kJ/molTemperature = 298 K

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: At what temperature, in °C, does a reaction having AH = +87.9 kJ/ mol and AS = +170.2 J/(mol·K)…

A: Please find the attached images for the answer.

Q: AH = 484. kJ J AS = 1379. K. AG = kJ 2H,0()- 2H,() + 0,) Which is spontaneous? O this reaction O the…

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Q: A 1.00-mole sample of ammonia (CPm 35.66 J K mol') at 14.0 atm and 25 °C in a cylinder fitted with a…

A: #3: We are given two different states, one is before expansion and the next after expansion against…

Q: 55 For a certain chemical reaction, AH° = -40.0k] and AS = -150.OJ/K. (a) Does the reaction lead to…

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Q: 18. A reaction has AH° = +38.7 kJ/mole, AS° = 112 J/mol K, and AG° = +5.32 kJ/mole. Complete the…

A: Given : ΔHo = 38.7 KJ/mol = 38700                                              ( Since 1 KJ = 1000…

Q: Consider the following process: C(s, diamond) --> C(s, graphite) deltaH°; (Cs, diamond) = 1.9…

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Q: C (diamond) -------> C (graphite)

A: Calculate ΔGo for the process conversion of C(diamond) into C(graphite). ΔGo is the Gibbs free…

Q: If a reaction has a ΔH = 150 kJ/mole and a ΔS = -2550 J/mole K, at what temperature range  would…

A: Gibbs free energy change is negative for spontaneous reaction

Q: Given the following information at 25°C, calculate AG" at 25°C for the reaction 2A(9) + B(9) + 3C(9)…

A: The reaction given is, =&gt; 2 A (g) + B (g) ------&gt; 3 C (g)

Q: Consider the reaction: H20(!) → H20(g) at 110°C Which of the following shows the correct signs or…

A: We have to show the correct signs or values for ∆H,∆S and∆G as follows in step 2:

Q: For the reaction CaCO3(s) → CaO(s) + CO2(g)       ΔHo = -17.8 kJ  and ΔSo = -161 J/K,  at standard…

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Q: The value of Ke for the reaction A= B is 0.425 at 50.0°C and 0.625 at 100.0°C. Calculate AH° for the…

A: Given reaction  A  &lt;--&gt; B  Kc = 0.425 at T1 = 50°C = 323 K Kc = 0.625 at T2 = 100°C = 373 K

Q: Hint: No calculations are required. For the reaction NH,CI(aq) NH3(g) + HCI(aq) AH° = 86.4 kJ and…

A: According to Gibbs free energy relation  ΔGo = ΔHo − T  ΔSo  Where  ΔG o= change in gibbs free…

Q: Coal can be converted to methane, a chief component of natural gas, according to the following…

A: To solve this problem we have calculate  ∆Gº and Kp for the given  reaction at 25ºC .

Q: If the AH = 200 kJ/mol and AS = 133 J/K mol, at what temperature does this reaction become…

A: Given: ∆H for the reaction = 200 kJ/mol ∆S for the reaction = 133 J/K mol We have to calculate the…

Q: 1. Predict the signs of AS and AH for the freezing of water into ice at 273 K. AH > 0 and AS = 0 а.…

A: The degree of randomness in a system is measured in terms of entropy. The higher the entropy greater…

Q: A sample of solid (NH4)(NH2CO2) is placed in an evacuated container at 25°C, and it decomposes as…

A: Given data is: NH4NH2CO2(s)⇌2NH3(g)+CO2(g) Kp=2.31×10-4T=25°C=273+25=298K…

Q: 11. Calculate AG° for the process, C(diamond) = C(graphite). Is the formation of graphite from…

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Q: For the reaction, A + B =C, AH° = +30 kJ, and ASº = +50 J/K. Which of the tollowing %3D statements…

A: A) Since the reaction is having ΔH0 &gt; 0 hence the reaction is endothermic  And since on…

Q: Predict the sign of ΔSsys for each of the following processes:(a) Molten gold solidifies. (b)…

A: Entropy of any system is defined as degree of randomness present in that system. So as randomness…

Q: 4: Consider the reaction 3H2 (g) + Fe2O3 (s) ⇄ 2 Fe (s) + 3 H2O (g) Use the data on the last page to…

A: The change in enthalpy which takes place under standard conditions is known s standard enthalpy of…

Q: G for the formation of ammonia at standard conditions is -16.37 kJ/mol.  what is the value of Kp at…

A: Kp can be calculated using the relationship between Kp and ∆G.

Q: For the reaction below, determine the difference in relevant particles that allow for determination…

A: Given Reaction: Fe2(CO3)3 (s) + 6 LiClO4 (aq) -------&gt; 2 Fe(ClO4)3 (aq) +3 Li2CO3 (aq) To…

Q: Given the information A + B → 2D С — D AS' = 346.O J/K AS° = -124.0 J/K AH° = -684.1 kJ AH° = 436.0…

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Q: 6. Consider the reaction: N204(g) + 2NO2(g) Calculate AG for the reaction above at a temperature of…

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Q: 8e. Consider the following reaction: CacO3 (s) → Cao (s) + CO2 (g) Data: A,H = +177.5 kJ mol1 AS =…

A: Given: To find: The temperature of the spontaneous reaction Formula: Where is the entropy  is…

Q: For the reaction CH (g) + H,O(g)–3H2(g) + CO(g) AH° = 206 kJ and AS° = 215 J/K AG° for this reaction…

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Q: Decomposition of CaCO3 has a AH° = 178.3 kJ/mol and AS° = 159 J/molK. At what temperature does this…

A: We need to find the temperature for which reaction becomes spontaneous.

Q: y 20. Which process is most likely nonspontaneous at 25°C and 1 atm? (A) A rock climber repels down…

A: Almost all processes are spontaneous. Spontaneous processes are the process which occurs without the…

Q: For the reaction 2HBR(g) + Cl2(g)- 2HCI(g) + Br2(g) AH° = -81.1 kJ and AS° = -1.20 J/K At standard…

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Q: For a particular reaction, AH= 30.0 kJ and AS= Assume that AH and AS do not vary with temperature.…

A: Given , ∆H = 30.0 kJ∆S= 90.0 JK

Q: 3. Consider the reaction: H20(s) → H20(g) a. What are the respective signs of AG°nm, AH° pm, and…

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Q: In which of the following reactions is AS° expected to be negative? O L(s) I(g) O 2NH;(g) N(g) +…

A: Entropy is defined as the degree of randomness.  positive entropy means increase in  randomness…

Q: For which set of conditions is the reaction always nonspontaneous? O AH = 0 and AS = 0 O AH = + and…

A: We can determine whether the reaction is spontaneous or non-spontaneous from the Gibbs free energy…

Q: 51. Consider the reaction (8)*0 • 20(g) → 0;(g) a. Predict the signs of AH and AS. b. Would the…

A: Here, by analyzing the equation we have to predict the sign for change in enthalpy and change in…

Q: If either of the reactions is nonspontaneous but can become spontaneous, at what temperature might…

A: The relation between free energy and enthalpy is shown below: ∆G = ∆H -T∆S where; ∆G = change in…