Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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THIC NO Calculations
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For the reaction
2HBr(g) + Cl₂(g) 2HCI(g) + Br₂(g)
AH = -81.1 kJ and AS° = -1.20 J/K
At standard conditions, this reaction would be product favored
80,
O at all temperatures.
O at relatively low temperatures.
O at relatively high temperatures.
O at no temperature.
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- Methane-producing bacteria convert liquid acetic acid (CH3CO₂H) into CO₂(g) and CH₂(g). AS° ΔΗ, Ο (kJ/mol) (J/mol.K) CH3CO₂H (1) -484.5 159.8 CO₂(g) -393.5 213.8 CH₂(g) -74.8 186.2 Calculate AHOrxn = kJ Calculate AG rxp = (round to 3 sig figs) Is this process endothermic or exothermic under standard conditions? Is the reaction spontaneous under standard conditions? kJ (round to 3 sig figs)arrow_forward16. Use enthalpies of formation given to determine the standard enthalpy of reaction for the following: ed oioege Al2O3 (s) +2 Fe 2 Al (s) + Fe2O3 (s) AH° =??? > AH°r(kJ/mol) -825.5 -1676 17. Use the enthalpies of formation and the enthalpy of reaction given below to determine the enthalpy of formation for solid CaC2. CaC2 (s) + 2 H2O (1) → Ca(OH)2 (s) + C2H2 (g) AH° =-127 kJ AH° (kJ/mol) ??? -286 -986 +227arrow_forwardplease help?arrow_forward
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- Methane-producing bacteria convert liquid acetic acid (CH³CO₂H) into CO₂(g) and CH₂(g). AS° ΔΗ, Ο (kJ/mol) (J/mol.K) CH3CO₂H (1) -484.5 159.8 CO₂(g) -393.5 213.8 CH₂(g) -74.8 186.2 Calculate AHºrxn = kJ Calculate AG, = rxn (round to 3 sig figs) Is this process endothermic or exothermic under standard conditions? Is the reaction spontaneous under standard conditions? kJ (round to 3 sig figs)arrow_forwardHeat of reaction (AH°) for the following reaction at 25.0 °C is Fe;O4(6) + CO(g) 3FEO(s) + CO2(g) Given the following Heat of Formation: AHF0304(s) = (-1118 kJ/mol), AHCO(g) = (-110.5 kJ/mol), AHF«06) = (-272KJ/mol), AHco2(g) ( -393.5 kJ/mol),arrow_forward
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