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April 16, 2014

April 16, 2014

Posted by **Yuni** on Friday, January 13, 2012 at 11:15pm.

1-How much time is required to produce 115.0 mL of the products at a barometric pressure of 779.9 mmHg. (The vapor pressure of water at this temperature is 23.8 mmHg.)

- chem -
**DrBob222**, Saturday, January 14, 2012 at 1:45amI would do this.

Use P = MRT

where P: = (779.9-23.8)/760

and solve for M which should give A and B concns (I assume 0.115L is the volume of the gases).

Take 1/2 that to find M needed for AB and apply the second order equation of

1/A - !/Ao = akt

You know Ao, a = 1, you know k and A (from the calculation). Solve for t which should be i s since k is in s.

- chem -
**Yuni**, Saturday, January 14, 2012 at 8:46amis the answer 1392 s?

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