50. Using bond energies given in Table 1 on page 307,determine the enthalpy change for the reaction givenby the following balanced chemical equation: (5.3) mH;(g) + Cl,(g) → 2 HCI(g) Single bondsMultiple bondsH-H 432N-H 391H149C=C 614H-F 565N-N 160-CI 208C C 839H-CI 427N-F 272-Br 1750=0 495H-Br 363N-CI 200S-H 347C=0* 745H-1 295N-Br 243S-F 327C=0 1072C-H 413N-0 201S-CI 253N=0 607C-C 3470-H 467S-Br 218N=N 418C-N 3050-0 146S-S 266N-N 941C-0 3580-F 190Si-Si 340C=N 891C-F 4850-CI 203Si-H 393C=N 615C-CI 3390-1 234Si-C 360C-Br 276F-F 154Si-0 452C-1240F-CI 253C-S 259F-Br 237CI-CI 239CI-Br 218Br-Br 193

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Answered: 50. Using bond energies given in Table…

Chemistry: Principles and Reactions

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Chapter8: Thermochemistry

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Problem 26QAP: Nitroglycerin, C3H5(NO3)3(l), is an explosive most often used in mine or quarry blasting. It is a...

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A piece of parmesan cheese is burned in a soda can calorimeter, and heats up 0.235 kg of water by 2.85 °C. The calorimeter was calibrated and had a calorimetry constant of 8.50 kcal/kg･°C. Given that protein contains 4.00 kcal/g, calculate the mass in g of the protein contained in the parmesan. Assume that the cheese is composed primarily of protein.
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The same student wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW: 122.55 g/mol) in water. He measured 10 grams of KClO3 and dissolved it in a calorimeter containing 250 g of water. The temperature drop was 3.5 K. What is qH2O in Joules? What is qdissolution in Joules? What is the ΔHdissolution in kilojoules per mole? Is the reaction endothermic or exothermic?
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50. Using bond energies given in Table 1 on page 307, determine the enthalpy change for the reaction given by the following balanced chemical equation: (5.3) mm H,(g) + Cl,(g)→ 2 HCI(g)