Use the bond energies in Table 17.1 and the accounting format shown in Section 17.5 to determine

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Use the bond energies in Table 17.1 and the accounting format shown in Section 17.5 to determine whether these reactions are exothermic or endothermic:
H2 + Cl2 ¡ 2 HCl
2 HC‚CH + 5 O→ 4 CO2 + 2 H2O


Table 17.1

Bond Energy (kJ/mole) Bond Energy (kJ/mole) Bond Bond Н-Н 436 159 Н-С 414 138 Cl-CI 389 Н—N 243 803 Н—О 464 C

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Conceptual Physical Science

ISBN: 978-0134060491

6th edition

Authors: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt

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