The decomposition of hydrogen peroxide is a useful way to obtain oxygen. It is a first order reaction with a rate constant of 0.0410 min-1. 2 H2O2 (l) → 2 H2O (l) + O2 (g) If we start with a 3.00% hydrogen peroxide solution, what will its concentration be after 30.0 min?

__ _ _ _ _ is the process of removing earth materials from their original sites through weathering and transport and depositing the in another location. a. erosion b. sedimentation c. lithification d. dissolution

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml