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Physical Chemistry
- Iron(III) sulfate, Fe2(SO4)3, decomposes upon heating to make iron(III) oxide and sulfur trioxide by the following reaction: Fe2(SO4)3{s) = Fe,Og(s) + 3 SO3(g) What is the variance of the system? OF= 2 OF= 3 OF=1 OF= 0arrow_forwardThe diagram shows four states of a system, each with differentinternal energy, E. (a) Which of the states of the systemhas the greatest internal energy? (b) In terms of the ΔEvalues, write two expressions for the difference in internalenergy between State A and State B. (c) Write an expressionfor the difference in energy between State C and State D.(d) Suppose there is another state of the system, State E,and its energy relative to State A is ΔE = ΔE1 + ΔE4. Wherewould State E be on the diagram?arrow_forward7- Given the following data: AG --51 kJ 2H: (g) + C (s) → CHa (g) 2H2 (g) + O: (g) - 2H:0 (1) C (s) + 02 (g) → CO: (g) Calculate AG° for CH4 (g) + 202 (g)CO2 (g) + 2H;0 (). AG-474 kJ AG°--394 kJarrow_forward
- 6) Calculate the final temperature of a sample of carbon dioxide of mass 16.0 g that is expanded reversibly and adiabatically from 500 cm³ at 298.15 K to 2.00 dm³.arrow_forwardHey pls help me don't reject itarrow_forwardGiven that H, (g) + F, (g) –→ 2 HF(g) AHixn -546.6 kJ 2 H, (g) + O,(g) 2 H, O(1) AHixn -571.6 kJ calculate the value of AHxn for 2F, (g) + 2H,O(1) –→ 4 HF(g) + O,(g) > rxnarrow_forward
- write the steps in solving this using hess law. please show me the specific processarrow_forwardFor H2(g)+Br2(g)↽−−⇀2HBr(g),H2(g)+Br2(g)↽−−⇀2HBr(g), ?=7.2×10−4K=7.2×10−4 at 1362 K and Δ?∘ΔH∘ is positive. A vessel is charged with 48.2 Pa48.2 Pa HBr,HBr, 1430 Pa1430 Pa H2,H2, and 3295 Pa3295 Pa Br2Br2 at 1362 K. Will the reaction proceed to the left or right to reach equilibrium? right left Calculate the pressure (in pascals) of each species at equilibrium. ?H2= ?Br2= ?HBr= If the mixture is compressed to half of its original volume, will the reaction proceed to the left or the right to reestablish equilibrium? left neither right If the mixture is heated from 13621362 to 1421 K1421 K, will HBr be formed or consumed to reestablish equilibrium? consumed neither formedarrow_forwardGeneral Chemistry 4th Edition McQuarrie • Rock • Gallogly University Science Books presented by Macmillan Learning A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by the reaction АТР(аq) + H,О() — ADP(aq) + HРО (аq) ADP(aq) + HPO, (aq) for which AG;ixn = -30.5 kJ/mol at 37.0 °C and pH 7.0. Calculate the value of AGrxn in a biological cell in which [ATP] = 5.0 mM, [ADP] = 0.10 mM, and [HPO;-] = 5.0 mM. kJ/mol rxn Is the hydrolysis of ATP spontaneous under these conditions? О yes no Question Source: McQuarrie, Rock, And Gallogly 4e - General Chemsitry | Publisher: University Science Books ?arrow_forward
- The value of trangle H for the decompisition..arrow_forwardIf the Kb for a substance B is 6.23×10–5, what is the value of Ka for HB+ at 25 °C? (the answer should be entered with 3 significant figures; do not enter units; give answer in scientific notation--valid notation examples include 1.23e-8 and 1.23e8 and -1.23e-4 and 1.23e0) For the reaction below, AB+C → AC+B if ΔH°= 39.0 kJ•mol-1 and ΔS°= 1 J•mol-1•K-1, what is the value of K at 198 Kelvin? (the answer should be entered with 3 significant figures; do not enter units; give answer in scientific notation--valid notation examples include 1.23e-8 and 1.23e8 and -1.23e-4 and 1.23e0)arrow_forward6A. State whether each of the following is true or false. Explain your reasoning in each case. (a) q must be zero for an isothermal process (b) q=0 for every cyclic process [A cyclic process is one that begins in one state and undergoes several steps which ultimately bring the system back to the same initial state.] (c) DU=0 for every cyclic process. (d) DT=0 for every adiabatic process in a closed system.arrow_forward
- Physical ChemistryChemistryISBN:9781133958437Author:Ball, David W. (david Warren), BAER, TomasPublisher:Wadsworth Cengage Learning,Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning