All Physical chemistry articles – Page 9

Feature
Radical changes in our atmosphere

2013-09-02T00:00:00Z

Dudley Shallcross and Tim Harrison explain how a breakthrough has allowed us to study Criegee biradicals, and what this could mean for atmospheric science
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Ri Christmas Lectures® 2012: Chemical Change

In association with Royal Institution of Great Britain

A teaching resource on Chemical Change, supported by video clips from the Royal Institution Christmas Lectures® 2012. Video: Chemical Change videos
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Solar cells and circuits

In association with The Solar Spark at the University of Edinburgh

Explore how to set up an electrical circuit containing solar cells and how connecting them in different ways will produce different results.
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Make a Grtäzel cell

In association with The Solar Spark at the University of Edinburgh

Make a dye sensitised solar cell using household items such as raspberries.
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Solar cells and absorption

In association with The Solar Spark at the University of Edinburgh

Explore the relationship between light and absorption in solar cells.
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Solar cell in a drinking straw

In association with The Solar Spark at the University of Edinburgh

Capture electricity from sunlight using raspberry juice and drinking straws.
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Make your own spectroscope

In association with The Solar Spark at the University of Edinburgh

Make a “rainbow in a box” using card and a CD.
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Chlorophyll fluorescence

In association with The Solar Spark at the University of Edinburgh

Make a plant fluoresce by simply crushing it and shining a light on it.
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Mixing colours

In association with The Solar Spark at the University of Edinburgh

Demonstrate how putting different colours together combine to give the full picture.
Class experiment
Electrochromic polymer

Can polymers conduct electricity as well as metals? Using this experiment, learners will discover how the two materials differ. Includes kit list and safety instructions
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Titanium Dioxide Photocatalysis: A New Kind of Water Treatment

In association with The Wolfson Foundation

Part of a series of resources investigating how using titanium dioxide as a photocatalyst can help to create cleaner water using sunlight.
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A birthday cake candle timer

Use a candle to create a timer, and learn how combustion can be used to help in everyday life. Includes kit list and safety instructions.
Lesson plan
Photolithography

Students use light to create their own printed circuit boards. Find the kit list, safety instructions and suggested timings in the download
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On This Day - Apr 28 : Atom split

Their experiment divided the nucleus at the centre of the atom by using quantum mechanical tunneling, and transformed lithium (Li) into helium (He) and other elements. Related resources: Lithium - Element information Lithium podcast Helium - Element information Helium podcast
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On This Day - May 01 : AC motor patented

Not only was this the first alternating current (AC) motor, but it also heralded a new system of power transmission, which is the basis for the mains power we use today. The Serbian-American physicist, engineer and inventor is recognised as one of the pioneers of electric power.
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On This Day – Sep 02 : Friedrich Ostwald was born

He was one of the founders of classical physical chemistry. In particular, Ostwald was a pioneer of electrochemistry and chemical dynamics. He won the Nobel Prize for Chemistry in 1909 for his work on catalysis, chemical equilibrium, and reaction velocities.
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On This Day – Jul 11 : Samuel Goudsmit was born

He introduced the concept of electron spin along with George Eugene Uhlenbeck in 1925. This phenomenon explains many aspects of atomic behaviour that cannot be explained by classical physics.
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On This Day - Mar 20 : Volta revealed the battery

He wrote to the president of the Royal Society detailing his invention, which was initially called the ‘electric pile’. The battery consisted of alternating copper (Cu) and zinc (Zn) discs, connected by pieces of leather or card soaked in salt water.
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On This Day - Mar 22 : Robert Millikan was born

Famous for using oil droplets to measure the charge of an electron for the first time, Millikan went on to experimentally investigate the photoelectric effect corroborating Einstein’s theories. Millikan was awarded the Nobel Prize in Physics in 1923 for this work.
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On This Day - Apr 23 : Max Planck was born

Max Planck was the founder of quantum theory. He came up with the equation E = hν, which related the frequency of light emitted by a body to its energy.