Diffusion in agar
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Diffusion in agar
Diffusion. Image 1 of 2. Crystal of potassium dichromate (orange) in a petri dish containing agar gel. Over time, the crystal dissolves, spreading out to colour the entire dish. For this set-up after one day, see image A350/142
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6274261
© ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY
Agar Crystal Demonstrating Demonstration Diffusing Diffusion Experiment Petri Dish Physical Property Laboratory
EDITORS COMMENTS
This print captures the process of diffusion in agar, showcasing a crystal of potassium dichromate placed in a petri dish containing agar gel. As time passes, the crystal gradually dissolves and spreads out, coloring the entire dish with its vibrant orange hue. This mesmerizing demonstration serves as an experiment to illustrate the concept of diffusion in a laboratory setting. The image showcases the intricate beauty of chemical reactions and physical properties at play. The crystal's dissolution is a visual representation of molecules moving from an area of high concentration to one of lower concentration through random motion. Diffusion, a fundamental principle in physics and chemistry, is elegantly portrayed here. The use of agar gel provides an ideal medium for observing this phenomenon due to its ability to hold substances while allowing them to disperse evenly over time. Through this simple yet visually striking setup, scientists can study how different substances diffuse under various conditions. Science enthusiasts and researchers alike will find inspiration in this photograph that encapsulates both scientific curiosity and aesthetic appeal. It reminds us that even seemingly mundane processes like diffusion can be awe-inspiring when observed closely.
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