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- Now consider the following reaction: C2H5OH + 3O2→2CO2+ 3H2O ,ΔH=−1370 kJ/mol What is the enthalpy for the reaction reversed? reaction 1 reversed: 2CO2 + 3H2O→C2H5OH + 3O2arrow_forwardFf.316.arrow_forwardCalculate AH for the reaction NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g), from the following data. N2 (g) + O2 (g) → 2 NO (g) ΔΗ - 180.5 kJ / mol N2 (g) + 3 H2 (g) → 2 NH3 (g) /mol AH = - 91. 8 kJ 2 H2 (g) + O2 (g) → 2 H20 (g) AH ΔΗ- - 483. 6 kJ / molarrow_forward
- Calculate Δ Hrxn for Ca(s) + 1/2 O2(g) + CO2(g) → CaCO3(s) given the following set of reactions: Ca(s) + 1/2 O2(g) →CaO(s) ΔH = −635.1 kJ CaCO3(s) →CaO(s) + CO2(g) ΔH = 178.3 kJarrow_forwardAt 10°C, Keq for a reaction is 100. At 30°C, Keq = 10. Does enthalpy increase or decrease during the reaction?arrow_forwardThe reaction that was on the screen when you started and its derivative demonstrate that the reaction enthalpy, ΔH, changes sign when a process is reversed. Consider the reaction H2O(l)→H2O(g), ΔH =44.0kJ What will ΔH be for the reaction if it is reversed?arrow_forward
- S CO₂H Br₂ ACOHarrow_forward2 C,H, +70; 20+2 C0, + 8 H,0 + heat 80 2C,H, +70; 2C+2 CO +2 Co, + 8 H,0 + heat CH, + 50; 3 CO, + 4 H,0 + heat C.H. +70. + CO, - 4 C0, + 4 H.0 + heat The complete combustion of propane gas can be represented as 2 C3Hs +7 02 2 C + 2 CO2 + 8 H20 + heat 2 C3Hs +7 02 2 C + 2 CO + 2 CO2 + 8 H2O + heat C3H8 + 5 02 + 3 CO2 + 4 H20 + heat C3H8 + 702 + CO2 4 CO2 +4 H20 + heatarrow_forwardUse the following equations to calculate the heat of the reaction for the formation of methanol. CH3OH(l) + 3/2 O2(g) → CO2(g) + 2H2O(l) ∆ Ho = -727 kJ C(gr) + O2(g) → CO2(g) ∆ Ho = -394 kJ H2(g) + 1/2 O2(g) → H2O(l) ∆ Ho = -286 kJ Calculate ∆Ho for the following reaction:C(gr) + 2H2(g) + 1/2 O2 → CH3OH(l) methanolUse kJ for your answer.arrow_forward
- Enter your answer in the provided box. You are given the following data: H,(g) → 2H(g) AH° = 436.4 kJ/mol Br2(g) → 2Br(g) AH° = 192.5 kJ/mol H;(g) + Br2(g) → 2HB1(g) AH° = -72.4 kJ/mol Calculate AH for the reaction H(g) + Br(g) → HBr(g) kJ/molarrow_forwardFill in the missing reactant or reagent or product to bring about the following chemical reactions.arrow_forwardCalculate the heat of reaction, ▲H°, for this conversion.arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning