Who was the first African American scientist to gain distinctions in science?

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted