Thursday
October 2, 2014

Homework Help: chem

Posted by laura on Monday, December 5, 2011 at 9:31pm.

Two gas tanks containing compounds A and B are connected by separate valves to two ends of a 10 meter glass tube as shown below. When both valves are thrown open at the same time A and B travel down the tubes towards each other. A white line appears when they meet and b has only gone 3.534 meters

Given that A and B are one of the compounds below determine what A and Bs identities are.
Possible compounds that can be A and B: HF, HCl, HBr, HI (acids) NH3, NCl3, NF3, PH3, PCl3 (bases)

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