The decomposition of dinitrogen pentoxide, n2o5, to no2 and o2 is a first-order reaction. At 60°c, the rate constant is 2. 8 × 10-3min-1. If a rigid vessel initially contains only n2o5 at a pressure of 125 kpa, how long will it take for the total pressure to reach 155 kpa?.

Students taking a clep exam can earn between college credits, depending on the college's policies.

Host danny boyle used a line from what shakespearean play to welcome the athletes and fans arriving in london for the 2012 olympics?

How should the syntax in this sentence be changed, if at all? the scientists spent years analyzing the results of numerous medical studies meant to identify the cause of the disease. no change the scientists spent years looking at the results of a variety of different medical studies meant to locate the cause of the disease. the scientists spent years reviewing medical study results to find the cause of the disease. the scientists spent years studying the results of many medical studies in order to uncover the cause of the disease.