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Listed under:  Science  >  Matter  >  Chemical compounds  >  Acids
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VisChem topic 12: acid-base reactions

This web page contains a video, animations and a student worksheet examining the proton-transfer reactions of acids and bases. Self-ionisation of water, acidity of hydrated metal ions, proton gain by ammonia molecules and proton loss from acetic acid are depicted. The animations show important molecular-level segments from ...

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How our bodies burn food for energy

We burn food for energy in our bodies. Chemically it's the same as burning fuel for energy in cars and rockets. Listen to Bernie Hobbs explain more about combustion reactions. Discover why we don't burst into flames when we burn food in our cells.

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Make your own rocket fuel...!?!

You know what happens when the pressure in a bottle reaches extreme levels: KABOOM! Discover with Ruben and Bernie how mixing together some everyday household chemicals can fuel a fizzy fountain or a model rocket, with spectacular results. This is chemistry in motion.

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Make a lava lamp model using oil and water

Imagine making your very own lava lamp using materials from your kitchen and bathroom. Watch the Surfing Scientist team show you how it can be done, then try and figure out why it works.

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Digestion Part 3 (sk- Intel)

This brief resource consists of 4 sets of illustrated slides with voice over presenting information about the properties of enzymes and their role during digestion.

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Try maintaining your shell in an acidic ocean!

The shell of the tiny marine snail called the pteropod is under attack from ocean acidification. See how research into this and the Southern Ocean circulation tells us about impacts of climate change. In this clip from 2010, find out about this research and the Southern Ocean Sentinel project focused on developing an early-warning ...

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Check the pH before jumping into this wetland!

Can you imagine a wetland so acidic that its pH levels are similar to the acid in a car battery? It's part of a problem that scientists call acid mud. In this clip from 2008, see how it forms and what scientists are doing to better understand this environmental disaster.

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Make no bones about ocean acidification

Extra carbon dioxide in the atmosphere is posing a real problem for the world's oceans. It's leading to ocean acidification and coral reefs are the big losers. See how acidification of the water leads to less calcium carbonate, a vital ingredient corals use to build their skeleton. Watch this clip to find out more.

Interactive resource

Liver: massive hepatic necrosis

This is a high-resolution image of a section of tissue from the University of New South Wales Virtual Slide Repository. These resources can be manipulated like prepared microscope slides. They can be viewed at selected magnifications of up to 40 times, and in some cases the apparent illumination of the specimen can be varied. ...

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Choice: nutrition

This is a web page providing reviews of various food products and supplements in terms of nutrition, covering frozen yoghurt, supermarket diet foods and fast food including vegetarian fast food. It also looks at omega-3 supplements, probiotics, protein supplements and beneficial foods - blueberries, fish, ginger and chilli, ...

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The Reaction of Metals with Acid

Students use this simulation to learn that react with hydrochloric acid to produce salt and hydrogen and find out how to test for hydrogen gas. The notice that sodium reacts violently and that magnesium reacts more quickly than zinc but that the hydrogen gas test is positive for both. Word equations are provided for all reactions.

Interactive Resource

Reaction of Metals with Acid

Students use this resource consisting of four slides with diagrams, written explanation and voice-over to understand that metals react with acid to produce salt and hydrogen and find out how to test for hydrogen gas. The reactivity series of metals is demonstrated. There is a two-question quiz and a summary slide.

Interactive Resource

Digestion Experiments

This resource consists of 3 sets of illustrated slides with voice over presenting detailed information and explanations of an experiment used to investigate the action of amylase on starch and the optimum pH for the action of protease on egg white protein. Results are provided and interpreted using tables and graphs. More ...

Interactive Resource

Digestion Part 2 (sk- Intel)

This brief resource consists of 6 sets of illustrated slides with voice over presenting highly detailed information about the role and function of the various parts of the digestive system starting at the small intestine onwards (it is the second part of a resource).

Interactive Resource

Digestion Experiments 2

Students use this resource consisting of ten slides with diagrams, written explanation and voice-over to understand that enzymes work best at a specific pH. There is a two-question quiz and a summary slide.

Interactive Resource

Making a Salt Using an Insoluble Base

Students use this resource consisting of five slides with diagrams, written explanation and voice-over to understand how to prepare a neutral salt sample from an insoluble base. There is a two-question quiz and a summary slide.

Interactive Resource

Everyday Neutralisation Reactions

Students use this resource consisting of nine slides with diagrams, written explanation and voice-over to understand everyday neutralisation reactions. There is a two-question quiz and a summary slide.

Interactive Resource

Making a Salt Using an Acid and an Alkali

Students use this resource consisting of seven slides with diagrams, written explanation and voice-over to understand how to prepare a neutral salt sample using an acid and an alkali. There is a two-question quiz and a summary slide.

Interactive Resource

Laptop Wrap: Chemical Equations

A page with a focus on completing and balancing chemical equations with supporting activities and links to resources.

Interactive Resource

Digestion – part 1

This resource consists of 4 sets of illustrated slides with voice over presenting highly detailed information about the process of digestion and the role and function of the various parts of the digestive system up to the small intestine (it is the first part of a resource).