THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the AH° (in kJ) for the hypothetical reaction: (Round off final answer to ONE decimal place) 2X,D (g) + 3M2 (g) → 2X2M (I) + 2DM2 (g) AH°, for X2D (g) = -22.2 kJ/mol AH° for DM2 (g) = -293.8 kJ/mol AH°; for X,M (I) = -286.6 kJ/mol AH°; for M2 (g) = 0 kJ/mol

THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the AH° (in kJ) for the hypothetical reaction: (Round off final answer to ONE decimal place) 2X,D (g) + 3M2 (g) → 2X2M (I) + 2DM2 (g) AH°, for X2D (g) = -22.2 kJ/mol AH° for DM2 (g) = -293.8 kJ/mol AH°; for X,M (I) = -286.6 kJ/mol AH°; for M2 (g) = 0 kJ/mol

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the AH° (in kJ) for the hypothetical reaction: (Round off final answer to ONE decimal place) 2X,D (g) + 3M2 (g) → 2X2M (I) + 2DM2 (g) AH°, for X2D (g) = -25 kJ/mol AH°; for DM2 (g) = -294.1 kJ/mol AH°, for X2M (I) = -280.1 kJ/mol AH°f for M2 (g) = 0 kJ/mol Round your answer to 1 decimal place.
THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the AH° (in kJ) for the hypothetical reaction: (Round off the final answer to ONE decimal place. Do not include the unit.) 2X2D (g) + 3M2 (g) – 2X2M (I) + 2DM2 (g) AH°F for X2D (g) = -24.4 kJ/mol AH°f for DM2 (g) = -290.7 kJ/mol AH°; for X2M (I) = -283.1 kJ/mol AH°; for M2 (g) = 0 kJ/mol
THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the AH° (in kJ) for the hypothetical reaction: (Round off the final answer to ONE decimal place. Do not include the unit.) 2X2D (g) + 3M2 (g) – 2X2M (I) + 2DM2 (g) AH°f for X2D (g) = -26 kJ/mol AH°f for DM2 (g) = -296.8 kJ/mol AH°f for X2M (1) = -286.5 kJ/mol AH°f for M2 (g) = 0 kJ/mol
Using enthalpies of formation, calculate the standard change in enthalpy for the thermite reaction: 2Al(s) + Fe203(s) → Al203(s) + 2Fe(s) This reaction occurs when a mixture of powdered aluminum and iron(III) oxide is ignited with a magnesium fuse. The following enthalpies of formation are known: AH°; for Fe203(s) = -826 kJ AH°; for Al203(s) = -1676 kJ O 1251 kJ O 2502 kJ O-1251 kJ O 425 kJ 850 kJ O- 2502 kJ -850 kJ -425 kJ
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THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the ΔHo (in kJ) for the hypothetical reaction: (Round off the final answer to ONE decimal place. Do not include the unit.) 2X2D (g) + 3M2 (g) → 2X2M (l) + 2DM2 (g) ΔHof for X2D (g) = -22.4 kJ/mol ΔHof for DM2 (g) = -290.7 kJ/mol ΔHof for X2M (l) = -288.3 kJ/mol ΔHof for M2 (g) = 0 kJ/mol show sol'n please.
THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the AH° (in kJ) for the hypothetical reaction: (Round off final answer to ONE decimal place) 2X2D (g) + 3M2 (g) → 2X2M (I) + 2DM2 (g) AH°f for X2D (g) = -27.5 kJ/mol AH°f for DM2 (g) = -293.9 kJ/mol AH°f for X2M (1) = -284.8 kJ/mol AH°f for M2 (g) = 0 kJ/mol
THERMODYNAMICS: Given the following hypothetical thermochemical equations: 20J3 (g) + 302x (g) – 402 (g) + 3J2X () AH = -1,017.3 kJ 4QJ3 (e) + 3X2 (@) – 202 (g) + 6J2X (1) AH = -1,548.8 kJ Calculate the value of AH (in kJ) for the reaction: a2 (g) + % X2 (a) - Q2X (g) (Round off the final answer to ONE decimal place. Do not include unit.)
Substance SiO,(s) SICLO H,O) HCIE) AH°, (kJ/mol) -910.7 -687.0 -285.83 -92.307 Calculate the standard enthalpy change for the following reaction: SICI4(1) + 2H20(1) → SIO2 (s) + 4HCI (g)
Determine the type of organic reaction present in the following: HO OH NO₂ CI + NaOCH3 + H₂O + H₂O OH OH NO₂ + NaCl OCH3 Rearrangement Elimination Substitution ◆ Addition ◆
The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is 3A1(s) + 3NH, Cl0,(8) → Al, O, (s) + AICI; (s) + 3NO(9) + 6H2O(g) Calculate AH° for this reaction. Substance and State AH ° (kJ/mol) Al(s) Al2 O3 (s) AICI3 (s) H2O(g) NO(g) NH, CIO4 (s) -1676 -704 -242 90. -295 AH° = kJ
Enthalpy of formation (kJ/mol) Substance A(s) -5.38 A(g) 20.43 A(I) -3.20 B(s) -18.26 B(g) 27.53 C(s) -13.16 C(I) -4.86 Use the table of above to determine the enthalpy of the following reaction. 7A(s) → 4B(s) + 5C() Your Answer: Answer units