08_covalent bonding_MT.pdf - Name Chemistry 131 Workshop 08...

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Name: _________________________ Chemistry 131 Workshop 08 Covalent Bonding 1. Use the paired problem solving method : one person assumes the role of solver, while the other verifies that each step was done correctly. As a pair, complete the following Lewis structures , using the method learned in class, including the assignment of formal charge for each atom. Calculate bond orders for all bonds. If there are resonance structures , draw them and indicate the total number of structures required to describe the actual molecule or ion. Each person draws 2 structures and verifies 2 structures. Before going on, compare your work with the other pairs in your group. [LO 8E, 8F, 8G, 8H, 8I, 8K] NO 2 + CO 3 2- NO 3 - BrF 3 2. Use the round robin approach and work as a group to answer the following questions. Fill in the following chart for each of the reactions. Think about bonds being broken and formed . [LO 5D, 5E] Is heat required or produced? What is the sign of Δ H?
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  • Spring '10
  • Ross
  • History, Chemical bond, Bond Energy, following Lewis structures

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