unlv.instructure.com Question 3 Using Hess' law, determine AH for the following reaction: CS2(1) + 3 Cl2(g) -> CCI4(1) + S2CI2(1) Heats of Reaction: CS2(1) + 3 O2(g) --> CO2(g) + 2 SO2(g) AHº/kJ = -1077.0 2 S(s) + Cl2(g) --> S½CI2(1) AH/kJ = -60.2 C(s) + 2 Cl2(g) --> CCI4(1) AH/kJ = -135.4 S(s) +O2(g) --> SO2(g) AH/kJ = -296.9 C(s) +O2(g) --> CO2(g) AH/kJ = -393.5 -285.3 O-297.5 -272.5 -261.3 Question 4 MacBook Pro

unlv.instructure.com Question 3 Using Hess' law, determine AH for the following reaction: CS2(1) + 3 Cl2(g) -> CCI4(1) + S2CI2(1) Heats of Reaction: CS2(1) + 3 O2(g) --> CO2(g) + 2 SO2(g) AHº/kJ = -1077.0 2 S(s) + Cl2(g) --> S½CI2(1) AH/kJ = -60.2 C(s) + 2 Cl2(g) --> CCI4(1) AH/kJ = -135.4 S(s) +O2(g) --> SO2(g) AH/kJ = -296.9 C(s) +O2(g) --> CO2(g) AH/kJ = -393.5 -285.3 O-297.5 -272.5 -261.3 Question 4 MacBook Pro

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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A Moving to another question will save this response. Question 2 "A new element (Rr) has been synthesized and its properties analyzed. When 0.132g of RrO (s) is added to 166g of water at 24° Cin a coffee cup calorimeter, the following reaction occurs. RrO(s) + H 20(1) – Rr(OH) 2 (aq) AH = -74.8kJ/mol Given the molar mass for RrO is 62g/mol calculate the following moles of Rro round answer to 4 decimal places omit trailing zeroes 9 rxn in joules round answer to the nearest whole number 9 water in joules round answer to the nearest whole number Final temperature round answer to 1 decimal place omit trailing zeroes A Moving to another question will save this response. Chip
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TUMU Consider these reactions: Reaction 1: H₂(g) + Cl₂(g) → 2HCl(g) AH = -184.6 kJ Reaction 2: 20F 2(g) → O₂(g) + 2 F₂ (g) Reaction 3: N₂(g) +202(g) →→→ 2NO₂(g) Use Reaction 1. Answer: AH = -49.4 kJ Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,152.0 kJ of energy is released from the system. Round to the nearest whole number. g AH = +66.4 kJ
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