Consider these reactions:AH = −184.6 kJReaction 1: H₂(g) + Cl₂ (g) → 2HCl(g)Reaction 2: 20F2 (g) → O2(g) + 2 F2 (g)AH = -49.4 kJReaction 3: N₂(g) + 2O2(g) → 2NO₂(g) AH = +66.4 kJUse Reaction 2.How much energy (in kJ) is released when 81.0 g of oxygen difluoride decomposes?Enter a positive number. Round to the nearest hundredth.Answer: -kJ

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Consider these reactions: Reaction 1: H₂(g) + Cl₂(g) → 2HCl(g) Reaction 2: 20F2 (g) → O₂(g) + 2 F₂ (g) Reaction 3: N₂(g) +202 (9) → 2NO₂ (g) Use Reaction 2. Answer: - AH = -184.6 kJ AH-49.4 kJ kJ AH +66.4 kJ How much energy (in kJ) is released when 81.0 g of oxygen difluoride decomposes? Enter a positive number. Round to the nearest hundredth. =

Consider these reactions: Reaction 1: H₂(g) + Cl₂(g) → 2HCl(g) Reaction 2: 20F2 (g) → O₂(g) + 2 F₂ (g) Reaction 3: N₂(g) +202 (9) → 2NO₂ (g) Use Reaction 2. Answer: - AH = -184.6 kJ AH-49.4 kJ kJ AH +66.4 kJ How much energy (in kJ) is released when 81.0 g of oxygen difluoride decomposes? Enter a positive number. Round to the nearest hundredth. =

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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Given the reactions, X(s) + O₂(g) — XO(s) XCO3(s) what is AH for this reaction? X(s) + 1/2O₂(g) + CO₂(g) AH = XO(s) + CO₂(g) AH = -545.7 kJ AH = +433.9 kJ XCO3(s) kJ
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Given the reactions, X(s) + 1/2O₂(g) XCO₂ (s) XO(s) XO(s) + CO₂(g) what is AH for this reaction? X(s) + 1/2O₂(g) + CO₂(g) AH = -763.1 kJ AH = +159.3 kJ XCO3(s)
Calculate the value of AH for the following reaction: 2 NO₂ (g) N₂O4 (g) → based on the formation reactions for each of the reaction components as shown below: N2 (g) + O2(g) →→→ NO₂ (g) AH = 33.2 kJ/mol N₂ (g) + 2O2 (g) →→→ N₂O4 (g) AH₂ = 11.1 kJ/mol AH: kJ/mol
Consider these reactions: Reaction 1: H2(g) + Cl2(g) 2HCI(g) AH = -184.6 kJ Reaction 2: 20F2(g)- O2(g) + 2 F2(g) AH = -49.4 kJ Reaction 3: N2(g) + 202(g) 2NO2(g) AH = +66.4 kJ Reaction 2 can be described as an [Select] [ Select ] reaction
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1. What is the final overall reaction for these three reactions below? Reaction 1: C3 Hs (g) + 5 O2 (g) → 3 CO2 (g) +4 H2O (g), AH1 = -2043 kJ Reaction 2: C (s) + O2 (g) Reaction 3: 2 H2 (g) + O2 (g) + CO2 (g), AH2 = -393.5 kJ 2 H2O (g), AH3 -483.6 kJ Hint. Reverse Reaction 1 then simplify by cancelling compounds in opposite sides of the arrow.
Consider these reactions: AH = -184.6 kJ Reaction 1: H₂(g) + Cl₂ (g) → 2HCl(g) Reaction 2: 20F2 (g) → O2 (g) + 2 F₂(g) ▲H = −49.4 kJ Reaction 3: N₂(g) + 2O2(g) → 2NO₂(g) AH = +66.4 kJ Use Reaction 3. How much energy (in kJ) is absorbed when 104. L of nitrogen dioxide is created at STP? Round to the nearest whole number. Answer:
Given the following reactions: N2 (g) + O2 (g) → 2NO (g) AH = +180.7 kJ 2N20 (g) → O2 (g) + 2N2 (g) AH = -163.2 kJ the enthalpy of reaction for 2N20 (g) → 2NOo (g) + N2 (g) is kJ. -343.9 343.9 -145.7 145.7 O 17.5
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