The reaction AB(aq)A(g)+B(g) is second order in AB and has a rate constant of 0.0158 M...

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The reaction AB(aq)A(g)+B(g) is second order in AB and has a rate constant of 0.0158 M 1.s 1 S at 25.0 C. A reaction vessel initially contains 250.0 mL of 0.139 M AB which is allowed to react to form the gaseous product. The product is collected over water at 25.0 C. How much time is required to produce 190.0 mL of the products at a barometric pressure of 783.9 mmHg. (The vapor pressure of water at this temperature is 23.8 mmHg.) Express your answer to two significant figures and include the appropriate units. HA ? The reaction AB(aq)A(g)+B(g) is second order in AB and has a rate constant of 0.0158 M 1.s 1 S at 25.0 C. A reaction vessel initially contains 250.0 mL of 0.139 M AB which is allowed to react to form the gaseous product. The product is collected over water at 25.0 C. How much time is required to produce 190.0 mL of the products at a barometric pressure of 783.9 mmHg. (The vapor pressure of water at this temperature is 23.8 mmHg.) Express your answer to two significant figures and include the appropriate units. HA ?