Molecular clock analysis shows bacteria used oxygen long before widespread photosynthesis
Microbial organisms dominate life on Earth, but tracing their early history and evolution is difficult because they rarely ...
Control Global3d
Bridging mass flow and the scientific world
1. Convert kilograms/second to grams per second. 1 kg = 1000 grams. If the mass flowrate is 0.25 kilograms/second, convert this to 250 grams/second. 2. Convert grams to moles, using the molar mass of ...
BBC4y
Getting the most from reactants
(g)\) The equation shows you that for every two moles of aluminium oxide oxidised, four moles of aluminium metal are obtained along with three moles of oxygen gas. The formula mass of each ...