All Physical chemistry articles – Page 2

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    Anecdotes: Thomsons - Discoverers of the electron

    The discovery of the electron and the diffraction of an electron beam.

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    The life of water

    2018-04-26T08:55:00Z

    Get hands on with H2O, changing states of matter and the water cycle. These experiments and investigations involve water in the context of space

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    Measure enthalpy changes

    Probe your students’ understanding of this fundamental concept and reflect on your demonstrations with our practical tips

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    The effect of temperature on solubility

    Examine why some solid substances are more soluble in hot water than in cold water

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    Particles in motion?

    Proove that gas particles are not static by generating carbon dioxide in the reaction calcium carbonate and hydrochloric acid and performing the limewater test in the test tube that has been held over the reaction test tube

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    The effect of temperature on reaction rate

    Investigate the effect of temperature on the rate of reaction between sodium thiosulfate and hydrochloric acid to better understand basic collision theory

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    The effect of concentration and temperature on reaction rate

    Explore the effect that concentration and temperature have on the reaction time of chemicals with this experiment in kinetics

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    Making a reaction tube

    Many reactions between gases and solids are suitable for demonstrations and class practicals. Making reaction tubes is an excellent lesson in physical chemistry in its own right as well as being cheaper than buying in expensive material.

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    Rubber band experiment

    Investigate the effect of heat on a stretched rubber band

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    Chemistry and electricity

    Demonstrate movement of ions in solution and make coloured writing using electricity and indicators

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    A Cartesian diver

    Use this famous experiment to illustrate the changes in density of gases and liquids when compressed

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    The oxidation states of vanadium

    Introduce your students to the idea that different oxidation states of transition metal ions often have different colours and that electrode potentials can be used to predict the course of the redox reactions.

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    Diffusion of gases – a safer alternative to bromine

    Demonstration of the diffusion of gases.

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    Use the particle model of matter

    How well does the simple particle model of matter explain observations of changes of state?

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    Chemistry and Sport - diving

    Gravity - the enemy of the high-jumper, and the diver’s friend. Find out how the sport of diving relies on gravity, and why a diver seems lighter in water than on land.

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    On This Day - Nov 23 : Henry Moseley was born

    He developed a law concerning the characteristic X-rays that are emitted by atoms, and thus allowed atomic numbers to be defined. Until this point, these numbers in the periodic table were simply an element’s place, rather than being associated with a physical property.

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    Mass and dissolving

    Chemistry is a conceptual subject and, in order to explain many of these concepts, teachers use models to describe and explain the microscopic world and relate it to the macroscopic properties of matter. This resource is designed to provide strategies for dealing with some of the misconceptions that students have ...

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    Changes in chemistry

    Chemistry is a conceptual subject and, in order to explain many of these concepts, teachers use models to describe and explain the microscopic world and relate it to the macroscopic properties of matter. This resource is designed to provide strategies for dealing with some of the misconceptions that students have ...

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    Chemical axioms

    This resource includes information about some key misconceptions that have been uncovered by research and ideas about a variety of teaching approaches that may help avoid students acquiring some common misconceptions.

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    Experiments with particles

    Predict what will happen to the volume of materials when they are added together… then observe