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Does the shape of a tea bag affects the time it takes to diffuse?
Wiki User
∙ 14y ago
It does. If it is a triangular shape, it has more room to move than the normal-shaped teabags.
Wiki User
∙ 14y ago
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Why when a person wearing perfume enters a room it takes 7 minutes for the scent to reach the back?
I'm not sure where the "7 minutes" part specifically came from. It's not immediate because it takes some time for the perfume molecules to diffuse through the air.
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How does the mass of ice cubes affect its melting time?
Yes. Keep in mind that it takes one BTU to reduce or increase the temperature of one cm3 water by one degree celsius. Per physics, cold moves toward hot, so the temperature of the ice can be said to move into the temperature of the water. (This can help you visualize the process). As the ice melts, it cools the water around it. The greater the volume, the longer the cooling process takes. This is also affected by the surface area and the amount of it in contact with the water. To break it down simply, the greater the volume of water, the faster the ice will melt.
Why does it take time for gas to diffuse in the air?
Because gas molecules continually collide with others. The result is a random path (known mathematically as a drunkard's walk) which results in a very long time to cover a significant distance.
