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Use Reaction 1. Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,479.0 kJ of energy is released from the system. Answer: g (mass must be positive; round to nearest whole number)

Use Reaction 1. Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,479.0 kJ of energy is released from the system. Answer: g (mass must be positive; round to nearest whole number)

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.5: Enthalpy Changes For Chemical Reactions
Problem 5.6CYU: The combustion of ethane, C2H6, has an enthalpy change of 2857.3 kJ for the reaction as written...
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Use Reaction 1. Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,479.0 kJ of energy is released from the system. Answer: g (mass must be positive; round to nearest whole number)
Transcribed Image Text:Use Reaction 1. Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,479.0 kJ of energy is released from the system. Answer: g (mass must be positive; round to nearest whole number)
Consider these reactions: Reaction 1: H₂(g) + Cl₂(g) 2HCl(g) AH = -184.6 kJ Reaction 2: 20F2(g) O₂(g) + 2 F₂ (g) ΔΗ = -49.4 kJ Reaction 3: N₂(g) +20₂ (8) 2NO₂(g) ΔΗ = +66.4 kJ
Transcribed Image Text:Consider these reactions: Reaction 1: H₂(g) + Cl₂(g) 2HCl(g) AH = -184.6 kJ Reaction 2: 20F2(g) O₂(g) + 2 F₂ (g) ΔΗ = -49.4 kJ Reaction 3: N₂(g) +20₂ (8) 2NO₂(g) ΔΗ = +66.4 kJ
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How much energy (in kJ) is released when 49.0 g of oxygen difluoride decomposes?

Enter a positive number. Round to the nearest hundredth. 

 

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