Practice Problem CONCEPTUALIZE
Which equation is correct for calculating for a gaseous reaction that occurs at constant volume?
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Chemistry
- What is ΔH, ΔS and ΔG° at 1000 °C for the following reaction? CaCO3 (s) = CaO (s) + CO2 (g) ΔHf° (KJ) S° (J/K CaCO3 -1206.9 92.9 CaO -635.1 38.2 CO2 -393.5 213.7 ΔHAnswerKJ ΔSAnswerJ/K ΔGoAnswerKJ (b) Is the reaction spontaneous at 1000 °C and 1 atm? Answer (c) What is the value of Kp at 1000 °C for this reaction given that (R = 8.314 J/K mol) KpAnswer (d) What is the partial pressure of CO2 (g)?Answeratmarrow_forwardData: 2Ba(s) + O2(g) → 2BaO(s) ΔH° = -1107.0 kJ Ba(s) + CO2(g) + ½O2(g) → BaCO3(s) ΔH° = -822.5 kJ Given the data above, calculate ΔH° for the reaction below. Reaction: BaCO3(s) → _BaO(s) + CO2(g) a. 269.0 kJ b. -1376.0 kJ c. -284.5 kJ d. -1929.5 kJ e. 537 kJarrow_forwardIn the gas-phase reaction A + B = C + 2 D, it was found that, when 2.00 mol A, 1.00 mol B and 3.00 mol D were mixed and allowed to come to equilibrium at 25oC, the resulting mixture contained 0.79 mol C at a total pressure of 1.00 bar. Calculate Kp. Answer: [.960]arrow_forward
- Consider the combustion of ethane: 2C2H6 + 7O2 --> 4CO2 + 6H2O Substance ΔHf C2H6 -84.7 O2 0 CO2 -393.5 H2O -242.0 What is ΔHcombustion (ΔHreaction) ? Question 2 options: 550.8 kJ -2856.6 kJ 2856.6 kJ -550.8 kJarrow_forwardCalculate Kp N2 (g) + 3 H2 (g) 2 NH3(g) Kc=9.60 at 300˚C Remember R=0.08206L-atm/mol-Karrow_forwardPart B Consider the following reaction: CaCO 3 (s) → CaO (s) + C*O_{2}(g) . Estimate Delta * G deg for this reaction at each of the following temperatures. (Assume that Delta * H deg and Delta * S deg do not change too much within the given temperature range.) 1100K Previous Answers Request Answer Incorrect; Try Again; One attempt remaining Part C 1415K Delta G^ = , k * J/m * ol Request Answer Part Darrow_forward
- Consider the reaction2SO2(g) + O2(g)->2SO3(g)Using the standard thermodynamic data in the tables linked above, calculate deltaGrxn for this reaction at 298.15K if the pressure of each gas is 39.97 mm Hg.ANSWER: kJ/molarrow_forwardGaseous hydrogen iodide is placed in a closed container at 425 ∘C ∘ C , where it partially decomposes to hydrogen and iodine: 2HI(g)←→H2(g)+I2(g) 2 H I ( g ) ← → H 2 ( g ) + I 2 ( g ) . At equilibrium it is found that [HI]= [ H I ] = 3.51×10−3 M M , [H2]= [ H 2 ] = 4.76×10−4 M M , and [I2]= [ I 2 ] What is the value of KcKc at this temperature? Please provide only typed answer solution no handwritten solution needed allowedarrow_forwardSolve all part please. Consider the equilibrium reaction N2O4 (g) ⇌ 2 NO2 (g)a. Using appendix C, find H and S for this reaction (you will need this for b,c). delta s= 176.6J delta H=5802kJb. Knowing that K is temperature dependent and that G = -RTlnK, find the equilibrium constant (K) and T whenthe above reaction is at equilibrium with PNO2 = PN2O4 = 1.0 atm.c. Knowing that K is temperature dependent and that G = -RTlnK, find the equilibrium constant (K) and T whenthe above reaction is at equilibrium with PT = 10.0 atm and PNO2 = 2 PN2O4.arrow_forward
- GFE&E 3. The decomposition of NaHCO3 used in a kitchen to extinguish fires is: 2NaHCO3 (s) Na2CO3 (s) + CO2 (g) + H2O (g) Use the data table to find ∆Hrxn and ∆Srxn and calculate K at 298 K. Give the value of K in full decimal form (NOT scientific notation).arrow_forwardConsider the following reaction at 298K.Cu2+ (aq) + Cr2+ (aq) Cu+ (aq) + Cr3+ (aq)Which of the following statements are correct?Choose all that apply. Eocell > 0 The reaction is reactant-favored. n = 4 mol electrons delta Go > 0 K > 1 Submit Answerarrow_forwardThe Kp for the reaction A (g) ⇌ 2 B (g) is 0.0730. What is Kp for the reaction 4 B (g) ⇌ 2 A (g)? Answer numericla ______arrow_forward
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning