Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: Measuring reaction rates. Footage of the start of a laboratory experiment to measure reaction rates. This reaction is between sodium thiosulphate (beaker at left) and dilute hydrochloric acid (reagent bottle and beaker at right). A temperature probe is used to measure the temperature of the sodium thiosulphate solution before the acid is added to start the reaction. The starting temperature is needed as part of the calculations of the reaction rate. A stopwatch (lower centre) will be used to time the reaction. For the second stage of the reaction, see clip K004/1465.

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Keywords: beakers, blue background, chemical, chemistry, dilute, education, educational, experiment, hydrochloric acid, lab, laboratory, measurement, measuring, rates, reaction rate, reagent bottle, reagents, school science, sequence, series, sodium thiosulphate, stage, start, starting temperature, stopwatch, studio shot, temperature probe, thermometer

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Measuring reaction rates

K004/1466 Rights Managed

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Duration: 00:00:13.08

Frame size: 1920x1080

Frame rate: 24

Audio: Yes

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

File size: 350.2M

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Capture format: Unknown

Codec: Photo - JPEG

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