In this video, I demonstrate how to make an oxygen generator using manganese dioxide (MnO2) and hydrogen peroxide (H2O2) ...

THAT the catalytic decomposition of hydrogen peroxide by catalase requires the presence of molecular oxygen was demonstrated by a number of manometric experiments previously described 1. Being, ...

Abstract: Assembly lines of large-size products usually allow multiple workers to process tasks simultaneously on the same product. Meanwhile, due to the increasing demand of customized products, a ...