SHORT0:37Practical Chemistry & Experimental Design
Bioethanol production in 30 seconds
This Short shows the final distillation step used to purify bioethanol produced by fermentation of sugar with yeast.
Chemistry topic
Practical Chemistry & Experimental Design
Experiments, demonstrations, laboratory methods, errors, variables, safety and data handling.
14videos
Video collection
Explore Practical Chemistry & Experimental Design
SHORT0:37
SHORT0:30Practical Chemistry & Experimental Design
Chemical chameleon #chemistry #redox
This Chemical Chameleon demonstration follows colour changes as manganese is reduced through different oxidation states.
1:11Practical Chemistry & Experimental Design
Chemistry Demonstrations: Ethanol bottle + Dry Ice Bubbles
This demonstration shows Demonstrations: Ethanol bottle + Dry Ice Bubbles and connects the observations to Demonstrations & data interpretation.
1:35Practical Chemistry & Experimental Design
Dry Ice Fire Extinguisher + Magnesium
This demonstration shows Dry Ice Fire Extinguisher + Magnesium and connects the observations to Demonstrations & data interpretation.
SHORT0:56Practical Chemistry & Experimental Design
Dry ice mega bubble
This Short uses dry ice to create a large smoke-filled bubble and illustrates carbon dioxide subliming directly from solid to gas.
1:10Practical Chemistry & Experimental Design
Dry Ice Party Poppers
This demonstration shows Dry Ice Party Poppers and connects the observations to Demonstrations & data interpretation.
1:01Practical Chemistry & Experimental Design
Dry Ice Smoke Machine
This demonstration shows Dry Ice Smoke Machine and connects the observations to Demonstrations & data interpretation.
SHORT0:30Practical Chemistry & Experimental Design
Elephants toothpaste - rates of reaction.
This elephant’s-toothpaste Short compares hydrogen peroxide concentrations and uses the faster foam production to illustrate concentration effects on reaction rate.
SHORT0:57Practical Chemistry & Experimental Design
Explore a stunning precipitate reaction and witness #science in action! #chemistry #chemistry
This Short adds several ionic solutions to sodium carbonate and compares the visible precipitates produced by different metal ions.
SHORT0:24Practical Chemistry & Experimental Design
Fire orange - a demonstration of collision theory and rates of reaction
This Short uses a dramatic orange flame to demonstrate how dispersing a solid increases surface area and the frequency of successful collisions.
SHORT0:29Practical Chemistry & Experimental Design
Making esters!! #chemistry #organicchemistry #experiment
This Short introduces esterification as the reaction of an alcohol with a carboxylic acid and connects esters with flavours, fragrances and perfumes.
SHORT1:00Practical Chemistry & Experimental Design
Sacrificial black cat (potassium chlorate)
This energetic demonstration reacts a sugar-rich lolly with molten potassium chlorate, showing rapid oxidation and the large energy release from combustion.
SHORT0:30Practical Chemistry & Experimental Design
Teabag Rocket
This Short demonstrates a teabag rocket, where burning material heats the surrounding air and produces an upward-moving ash structure.
SHORT0:57Practical Chemistry & Experimental Design
THERMITE!!!!
This Short demonstrates the thermite redox reaction between aluminium and iron oxide and highlights its intense energy release.