The chemical equation resulting from the butane gas combustion is C4H10 + 132O2 è 4CO2 + 5H2O The Combustion is an exothermic chemical reaction between a substance (fuel) and a gas (combustion), usually oxygen, creating, in this particular case, the formation of carbon dioxide and water.
The idea of a redox reaction and the excessive production of gas is culminated in this fun demonstration for young children (the awe effect of producing this elephant toothpaste) and older ones that understand the notions of a redox reaction
This video, from the Portuguese Engineers Association, presents Chemical and Biological Engineering and generally describes the profession of an Chemical and Biological Engineer and his present contribution to social and economic development
Density is the result of dividing mass by volume. This homemade experiment, will serve to demonstrate the density in liquids and to develop scientific research capacities among students. Through this experiment they will be able to understand the variation of water density by adding a solute.
Chemical transformations by bonding substances occur when two or more substances that originate new substances different from the initial ones. Silver bromide is a compound used in photo printing that can be prepared by coupling silver nitrate and potassium bromide in aqueous solution.
An episode from the famous French animation “Once upon a time… the discoverers”. The series introduces the scientific discoveries and the people who made them. The present episode is about the physicist and chemist Marie Curie who conducted pioneering research on radioactivity.