Consider the oxidation of elemental cadmium (II) oxide.  2Cd(s)+O2 (g)--> 2CdO(s)  Using the following thermochemical data, calculate the minimu temperature in degrees Celsius at which this reaction is spontaneous.  Species  delta Hf degrees (kJ/mol)  S degrees (J/molxK) Cd(s) 0 51.8 O2 0 205.2 CdO(s) -258.4 54.8 Select the correct answer: a. 2594 degrees Celsius b. 2321 degrees Celsius  c. 1.278 degrees Celsius  d. -271.9 degrees Celsius  e. -270.6 degrees Celsius

Q: A student dissolves 12.5g of lithium chloride LiCl in 250.g of water in a well-insulated open cup.…

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Q: In the reaction below, ΔH°f is zero for ________.                 Ni (s)  +  2CO (g)  +  2PF3 (g)…

A: Ni (s) + 2CO (g) + 2PF3 (g)  → Ni(CO)2(PF3)2 (l) We have to find the substance for which ΔH°f is…

Q: For a particular reaction at 196.8 °C, AG = -1266.45 kJ, and AS = 529.15 J/K. %3D Calculate AG for…

A: For a particular reaction at 196.8°C(469.8 K) ;  ∆G = -1266.45 KJ, and ∆S = 529.15 J/K The change in…

Q: For a particular reaction at 236.0 °C, AG=-848.32 kJ, and A.S= 648.46 J/K. Calculate AG for this…

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Q: Ozone in the lower atmosphere is a pollutant that can form by the following reaction involving the…

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Q: For a particular reaction at 2504 °C. AG=-1294.49 kJ, and A.S = 545.75 J/K. Calculate AG for this…

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Q: For a particular reaction at 187.3 °C, AG = -989.95 kJ, and AS = 662.97 J/K. Calculate AG for this…

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Q: Calculate the ÄE°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.…

A: Given data : Required equation: Caco3(s) -------> CaO(s) + CO2(g)  ∆H° = ?

Q: Calculate AH°rxn for the following reaction using the values in the Table below. Enter in kJ SiO₂…

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Q: Calculate G°rxn for the combustion of propane, based on the reaction and thermochemical data shown…

A: ∆Grxn∘ = ∑∆Gf∘ (Products) - ∑∆Gf∘ (Reactants)

Q: Consider the reaction A → B with ΔS° = -46.550 J/(K·molrxn). What should be the ΔS° in J/(K·molrxn)…

A: ΔS° for the reaction  5 B → 5 A

Q: For a particular reaction at 124.1 "C, AG = -201.43 kJ, and AS = 334.55 J/K. Calculate AG for this…

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Q: Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25°C. Substance…

A: (B) To calculate the enthalpy of formation of HF given the reaction for the formation of HF is…

Q: The value of ΔH° for the following reaction is 172.7 kJ. The value of ΔH°f for CaO(s) is __________…

A: We have given that  The value of ΔH° for the following reaction is 172.7 kJ. The value of ΔH°f for…

Q: 1.) Consider the following reaction: 2 AB (g) + B2(g) → 2 AB2(g) AH° = -485.0 kJ/mol a.) Do you…

A: a) ∆Ssys = negative  Explanation : 1) First reason is,  this reaction is exothermic reaction because…

Q: Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) +3 02(g) - 2…

A: Given, The balanced chemical equation is given below, 2H2O(g)+3O2(g)→2SO2(g)+2H2O(g) Then, ∆H=-1036…

Q: Consider the following reaction at 25 °C: 3 Ni(s) + N,(g) + 3 H,0(g) → 3 NiO(s) + 2 NH,(g) Given the…

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Q: Determine AG for the following reaction: CO₂(g) + 2H₂O(1) CH4(g) + 202(g) Substance AG(kJ/mol)…

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Q: The value of ΔH° for the reaction below is -336 kJ.  Calculate the heat (kJ) released to the…

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Q: One mole of an ideal gas undergoes the cycle, A⟶B⟶C⟶A, as shown in the graph. For this gas, CV =…

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Q: AG =

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Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: The reaction SiO2 (s) + Pb(s) → PbO2(s) + Si(s) is spontaneous: AGf (PbO2(s)) = -217 kJ/mol AGF…

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Q: Calculate ΔS°rxn for the balanced chemical equation:2 H2S(g) + 3 O2(g)¡2 H2O(g) + 2 SO2(g)

A: The given reaction is: ∆S˚rxn for the reaction is given by:

Q: A. Calculate the standard enthalpy change of the reaction in kJ. Is the process endothermic or…

A: ∆H rxn = ∆H product - ∆H reactant ∆S rxn = ∆S product - ∆S reactat ∆G rxn = ∆H rxn - T∆S rxn

Q: One mole of sodium metal is added to water. How much work (in kJ) is done by the subsequent reaction…

A: given reaction of sodium metal with water  at T = 25 degree Celsius find work done

Q: For a particular reaction at 166.5 °C, AG = -376.61 kJ, and AS = 144.83 J/K. Calculate AG for this…

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Q: For the reaction CO(g) + Cl2(g)–COCl2(g) AG° =-63.0 kJ and AS° = -137.3 J/K at 330 K and 1 atm. The…

A: Gibbs free energy is the greatest work a system does to its environment when the reaction is…

Q: For a particular reaction at 240.4 °C, AG = -486.75 kJ, and AS = 284.22 J/K. Calculate AG for this…

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Q: Determine if the acid-base neutralization reaction of hydrochloric acid (HCI) with sodium hydroxide…

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Q: What is ΔG°rxn in kJ/mol for the following reaction at 406 Kelvin? Please report 2 decimal places,…

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Q: The process illustrated here takes place at constant pressure.   a.Write a balanced equation for…

A: a)The balanced equation for given reaction is as follows,

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: A reaction is said to be spontaneous if a change in Gibbs free energy is negative.…

Q: The sun catalyzes the atmospheric reaction as seen below. 2N2O(g)+O2(g)→4NO(g) This reaction would…

A: Answer :-  The reaction will have a Positive ΔS , because the moles of gas increases.…

Q: Solid carbon graphite reacts with oxygen gas to release of 393.7 kJ per mole of carbon dioxide gas…

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Q: The value of AS° for

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Q: For a particular reaction at 235.4 °C, AG = -307.62 kJ, and AS = 992.15 J/K. Calculate AG for this…

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Q: The standard enthalpy change and standard entropy change for the reaction are: A,HP = -666.2 kJ…

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

Q: For the reaction 4HCI(g) + O2(g)→2H2O(g) + 2Cl2(g) AH° = -114.4 kJ and AS° = -128.9 J/K The maximum…

A: The reaction given is, Given: ΔHo = -114.4 KJ    Temperature = 311 K                       And ΔSo…

Q: for this reaction: H2O(g) →  H2O(l) → (gets hot, s

A: When water changes its states from gas to liquid there is a change in states of water from gaseous…

Q: Consider the following reaction at 25 °C: 5 SO:(g) + 2 NH:(g) → 2 NO(g) + 5 SO:(g) + 3 H20(g) Given…

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Q: For a particular reaction at 179.4 °C, AG = -801.20 kJ, and AS = 915.51 J/K. Calculate AG for this…

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Q: Which statement is true for the temperature dependence of the reaction below if DH = 1319 kJ/mol and…

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Q: For the following reaction, under which temperature circumstances (in °C) will it be product…

A: When the change in gibbs free energy is negative, then the reaction is feasible which means product…

Q: Calculate AG° (in kJ) for the following reaction at 1 atm and 25°C: C2H6(g) + O2(g) → CO2(9) +…

A: ANSWER IS -632 kJ

Q: Write a balanced formation equation for each of the following then calculate the value of A Hᵒf. In…

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Q: Determine the AU reaction at 25 °C (in kJ/mol) for the following reaction: 4Al(s) + 302(g) 2Al2O3(s)…

A: The chemical equation given is 4 Al (s) + 3 O2 (g) → 2 Al2O3 (s)