This clip is part of the sequence Reaction rate concentration

Credit: RHYS LEWIS, AHS, DECD, UNISA/JON BAUGH/SCIENCE PHOTO LIBRARY

Caption: Effect of concentration on reaction rate. Animation of the plotting of a graph for an experiment performed to study the effect of the concentration of the reactants on the rate of a reaction. The experiment placed magnesium ribbon in dilute (one molar) and concentrated (four molar) hydrochloric acid. The volume of hydrogen gas produced by each reaction was measured over ten minutes. In dilute acid (blue line) hydrogen is produced gradually, but it is clearly seen that the gas is produced much more quickly in concentrated acid (red line). This is because concentrated acid has more hydrogen ions in a given volume that reacts with the magnesium. The data is also shown in tabular form at the end of the animation.

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Keywords: acid, acidic, animated, animation, chemical, chemistry, data, demonstration, education, educational, experiment, gas, graph, graphic, hydrochloric acid, hydrogen, illustration, ion, ions, magnesium, measurement, measuring, metal, no-one, nobody, plot, plotting, produced, production, rate, rates, reacting, reaction, results, school, school science, table, time, timing, volume, volumes, white background

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Effect of concentration on reaction rate

K005/1181 Rights Managed

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Duration: 00:00:38.01

Frame size: 1920x1080

Frame rate: 24

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 232.3M

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Capture format: QuickTime Animation

Codec: Animation

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