Consider these reactions: Reaction 1: H2 (9) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2(g) → 02 (g) + 2 F2(g) AH = -49.4 kJ Reaction 3: N2 (g) + 202 (g) → 2NO2 (g) AH=+66.4 kJ Use Reaction 2. How much energy (in kJ) is released when 56.0 g of oxygen difluoride decomposes? Answer: - kJ (enter a positive value)

Consider these reactions: Reaction 1: H2 (9) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2(g) → 02 (g) + 2 F2(g) AH = -49.4 kJ Reaction 3: N2 (g) + 202 (g) → 2NO2 (g) AH=+66.4 kJ Use Reaction 2. How much energy (in kJ) is released when 56.0 g of oxygen difluoride decomposes? Answer: - kJ (enter a positive value)

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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Consider these reactions: Reaction 1: H2(g) + Cl2(g) 2HCl(9) AH = -184.6 kJ Reaction 2: 20F2(g) → O2(g) +2F2(g) AH=-49.4 kJ Reaction 3: Na (g) +202 (9) 2NO2(g) AH = +66.4 kJ Use Reaction 1. Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,409.0 kJ of energy is released from the system. Round to the nearest whole number .
Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (9) → 02 (9) + 2 F2 (9) AH= -49.4 kJ Reaction 3: N2 (g) + 202(g) → 2NO2(g) AH=+66.4 kJ Use Reaction 2. How much energy (in kJ) is released when 61.0 g of oxygen difluoride decomposes? Answer: - kJ (enter a positive value)
Consider these reactions: Reaction 1: H₂(g) + Cl₂ (g) Reaction 2: 20F2 (g) O2(g) +2 F2 (g) AH Reaction 3: N₂(g) + 2O2(g) → 2NO₂(g) AH = +66.4 kJ Use Reaction 1. — → 2HCl(g) AH = -184.6 kJ g = -49.4 kJ Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,959.0 kJ of energy is released from the system. Round to the nearest whole number. Answer: