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)

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Question 40
Consider these reactions:
Reaction 1: H2 g) + 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)
Transcribed Image Text:Question 40 Consider these reactions: Reaction 1: H2 g) + 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)
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