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CHEMISTRY 163 W. S NAME AleX Andres (8 pts.) I. Answer the following: 1. D Draw the correct geometric structure of H2POg 廾 Which oxide of nitrogen is a brown gas? ANSWER NO 3. The linear cyanamide ion, NCN2 is isostructural and isoelectronic with what other common carbon- containing gas? ANSWER 4. Why do you suppose that XeF2, XeF4, and XeF6 have been prepared, but XeF3 and XeF5 have not? (6 pts.) II. Write complete and balanced equations for the following: 1. Calcium oxide is heated with coke to produce calcium carbide and carbon monozide. 2 Calcium carbide reacts with water to produce acetylene gas as one of the products. 3. Acetylene gas burns in oxygen for use in welding torches.

I was Able to complete the majority of the problems. There were only 3 that I could use some help on.

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