3 P Question 41 Consider these reactions: Reaction 1: H2 (g) + Cl2 (9) 2HCI(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 1. Determine the mass, in grams, of chlorine gas consumed (with excess H2) when 1,721.0 kJ of energy is released from the system. Answer: g (mass must be positive; round to nearest whole number)

3 P Question 41 Consider these reactions: Reaction 1: H2 (g) + Cl2 (9) 2HCI(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 1. Determine the mass, in grams, of chlorine gas consumed (with excess H2) when 1,721.0 kJ of energy is released from the system. Answer: g (mass must be positive; round to nearest whole number)

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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Which reaction would it be possible to calculate (Triangle H)?
When 3.8 g A are reacted with 8.5 g D, according to the balanced chemical equation below, 33 kJ of energy are released. Please calculate the enthalpy for this reaction when 3 moles of G are produced. 2A + 3D = 2Z + 3G given molar masses: A = 141.8 g/mole D = 63.996 g/ mole Z = 4.032 g/ mole G = 56.028 g/ mole
#3
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 .