2 Cr(OH)3 (aq) + 3 CO2 (g) ↔ Cr2(CO3)3 (s) + 3 H2O (l) What is true about this reaction?     ΔH < 0 and ΔS > 0     ΔH > 0 and ΔS > 0     ΔH < 0 and ΔS < 0     ΔH > 0 and ΔS < 0

Q: COCl2(g) ---> CO(g) + Cl2(g)   6. Is this reaction spontaneous under standard conditions? 7. If…

A: If there is an increase in the moles of gaseous compounds then the entropy change for the reaction…

Q: Determine the free energy change for each of the following reactions, which are run under standard…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 6. At a constant pressure the following reaction is exothermic: 2 NOe) → N;Oe)- Which of the…

A: 2 NO2(g) ---&gt; N2O4(g) This Reaction is exothermic (at constant pressure ). The reaction is…

Q: Consider this reaction: N2 (s) + 2 02 (g)→ 2NO2 (g) AS° = -121.77 J/K.mol; AH° = %3! 66.36 kJ/mol…

A: From the given question it is given that, ΔSo &lt; 0 ΔH0 &gt; 0

Q: Na (s) + 20 (g)-2NO; (e) AS = -121.77 J/K.mol; AH° = 66.36 kJ/mol Is the reaction shown above…

A:

Q: Calculate ΔH° for the process Sb(s) + 5 2 Cl2 (g) ⟶ SbCl5 (s) from the following information: Sb(s)…

A:

Q: The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury(II) oxide:…

A: Entropy: Entropy determines spontaneity of process. Spontaneity means perform a process in a given…

Q: ΔΗ 1353. kJ J AS = K 2co,() + 4H,0 (g) → 2CH,OH (g) + 30,(g) AG = 10. kJ Which is spontaneous? this…

A: Given ,  temperature, T =123°C = (123 +273 )K=396 K Pressure = constant

Q: 2. Calculate the temperature in which the following reactions become spontaneous. b) Reaction B: AH…

A:

Q: If Delta G standard is zero, what does it mean?    C. the system is at equilibrium at standard…

A: Given: When ∆G0 is zero for a thermodynamic process or reaction this means:

Q: “Thermite” reactions have been used for welding metal parts such as railway rails and in metal…

A:

Q: DeltaH=21 DeltaG=0.10115 Deltas=0.071 NaNO3 (s) → Na+ (aq) + NO3– (aq) 4. Looking at the chemical…

A: The given reaction is shown below. NaNO3s→Na+aq+NO3-aq

Q: Is the following reaction spontaneous at room temperature (25.0 °C) ? 2 H2S(g) + 3 O2(g) 2 SO2(g) +…

A: Interpretation: The given reaction is spontaneous at room temperature or not is to be determined. At…

Q: 10. A chemical reaction at the standard state has the enthalpy of reaction: A,H° = +117 kJ and the…

A:

Q: (C2H5OH ) +(H2) →(CH3CHO) (AS = 114.2 J/K),(AH = 68.95 KJ/K ) %3D Calculate AG for this reaction at…

A:

Q: SBr4 (g) → S (g) + 2 Br2 (l)         ΔGo = 77.75 kJ    ΔSo = 125.2 J/K    ΔHo = 115.4 kJ What would…

A:

Q: Calculate the standard entropy change for the following reaction. 4 Al(s) + 3 02(g) → 2 Al,O3(s) JK!

A: A numerical problem based on entropy change, which is to be accomplished.

Q: If a particular reaction has   ΔrH = +30 kJ mol–1    and    ΔrS = –60 J K–1mol–1, when do you expect…

A:

Q: Consider the reaction2HBr(g) + Cl2(g)2HCl(g) + Br2(g)for which H° = -81.10 kJ and S° = -1.200 J/K at…

A: All feasible reactions occurring in nature are either enthalpy/entropy driven or both. When heat…

Q: Use the tables in the text to determine whether each reaction is spontaneous under standard…

A:

Q: Consider the following reaction at room temperature:                         Co(s) + Fe2+(aq, 1.94…

A: The above Nernst equation could be simplified as, Ecell=E°cell-0.0592VnlogQ

Q: Recovering aluminum directly from its ore, which is primarily aluminum oxide, involves the following…

A:

Q: 2.2.Predict if the following reaction is spontaneous or not. CO26)CO(g) at 25°C

A: We have given that  Predict if the reaction is Spontaneous or Not  CO2(s) ------&gt; CO2(g)  at 25°C…

Q: Calculate the temperature at which the reaction changes from a spontaneous to non-spontaneous…

A:

Q: For a particular reaction, AH° = -28.4 kJ and AS = -87.9 J/K. Assuming these values change very…

A: Given,  ∆H° = - 24 kJ = - 2400 J  ∆S° = - 87.9 J/K

Q: Consider the following reaction: CH3OH(g) --> HCHO(g) + H2(g); DHo = 85 kJ (2)…

A: As this reaction is endothermic in nature as Del H is positive

Q: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: Given data    ∆H° = +150 KJ/mole and ∆S° = 171 J/K-mole.

Q: Using the values given for ΔH∘ and ΔS∘, calculate ΔG∘ for each of the following reactions at 298 K.…

A: Step 1: (A) For the given reaction: The value of ΔH⁰ =−844 kJ, ΔS⁰= −165 J/K, while temperature is…

Q: Given the ΔH° and ΔS°, calculate the ΔG° values for the following reactions and indicate whether the…

A:

Q: For the reaction 2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ. Which of the following is true?…

A: The given reaction is,  2 NH3 (g) --&gt; N2 (g)+ 3 H2 (g) , ∆H = +92 kJ ∆H is positive, that means…

Q: Why does the entropy of halogens at room temperature increases in the following order I2 <Br < Clz.

A: Entropy:  It is the thermodynamic property which measure molecular randomness or disorderness of a…

Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

A: Given that :Reaction = O2(g) → 2O(g) ∆H° = 498kJ/mol

Q: Use the Thermodynamic Quantities Table in your text (Appendix C) to calculate the equilibrium…

A: Given:  The reaction equation is given as -                                                  N2 (g)…

Q: The graph below shows the change in Gibbs free energy for two reactions. Change in Gibbs Free Energy…

A: Given:

Q: The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury(II) oxide: HgO(s) →…

A: Given chemical equation:  HgO(s) ------&gt; Hg(l) + 1/2O2(g) For a reaction to be spontaneous,…

Q: Consider the reaction described by the chemical equation shown. 3C,H, (g) → C,H,(1) AHan = -633.1 kJ…

A: ∆S°reaction  = standard entropy of reaction  = ∆S°product - ∆S°reactant  ∆Sproduct = Standard molar…

Q: Suppose a reaction has DH > 0 and DS > 0; that is, both enthalpy and entropy changes have positive…

A: The Gibbs-Helmholtz equation is: ∆G = ∆H - T∆S.  If ∆G is negative then the reaction will be…

Q: Consider the reaction2HBr(g) + Cl2(g)= 2HCl(g) + Br2(g)for which H° = -81.10 kJ and S° = -1.200 J/K…

A: 1) since  S° = -1.200 J/K for the reaction of 2 moles of HBr  Hence for the reaction of 1 mole of…

Q: An exothermic reaction produces two moles of gas from one mole of solid reactant. Will the reaction…

A: Since you have asked a question with multiple questions, we are solving first question for you. For…

Q: Which of the following relationships is correct? A) Delta G > 0 represents an increase in kinetic…

A: Free energy is a measure of spontaneity of chemical process.

Q: For the reaction below, calculate the value of the temperature at which the reaction becomes…

A: Given reaction: 4 Ca3PO4 (s)  +   3 O2 (g)    →    12 CaO (s)   +   P4O10 (s)  ∆H = +5946.8  ∆G =…

Q: The standard enthalpy change and standard entropy change for the reaction are: AHP = -1036.0 kJ mol1…

A:

Q: For a particular chemical reaction, ΔH = 4.3 kJ and ΔS = –19 J/K. Under what temperature condition…

A:

Q: At what temperatures will the following processes be spontaneous?    ΔH= -18 kJ and ΔS= 65 J/K

A: Given: the value of enthalpy change (∆H) = -18 KJ The value of entropy change (∆S) = 65 J/K For a…

Q: Which of the following processes shows an increase in entropy of the system? 2NO₂(g) → 2NO(g) +…

A:

Q: 6. For each reaction below, determine the sign of AH and AS. Also state under what conditions the…

A: The spontaneity of any reaction is known with the help of sign of ΔH and ΔS. ΔG=ΔH-T ΔSSpontaneous…

Q: For a particular reaction, AH = 20.1 kJ/mol and AS" = 45.9 J/(mol-K). Assuming these values change…

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

Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

A:

Q: Consider the following reaction: CaCO 3(s) CaO (g) +CO 2(g) For this reaction, delta S = +158.9…

A: For a spontaneous reaction, deltaG should be negative. From the given delta H and delta S values,…

Q: Methanol, CH3OH , is formed from methane and water in a two‑step process. Step 1:…

A: