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Surface tension, place a drop of detergent on the water and it breaks the meniscus allowing the water to flow away. Also the cohesion makes the water molecules stay together. It is not because of the ridge.
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When 12 copper pennies are submerged in water the pennies displace 4.13 cm3 of water If the combined mass of the pennies is 36.93 g what is the density of copper?
You cant't figure this out using copper pennies. Pennies are not 100% copper.
How many pennies have the same mass as 6 liters of water?
480 pennies
Why do pennies sink in water?
Anything that sinks in water, has a higher density than water. Remember, not all pennies are pure copper anymore.
What does water do to pennies?
It forms calcium deposits on them.
Does water have the acid that cleans pennies in it?
No, water is neutral. It has no acid in it whatsoever.
Do pennies rust faster in saltwater or in fresh water?
Salt water
Will pennies rust faster in salt water mineral water or tap water?
tap water
What will rust pennies faster water or salt water?
It rusts faster in regular water
Why can't water clean pennies?
It can use soap
Do pennies react to water?
They can start to rust/corrode.
Do pennies and water keep flies away?
yes
Why do pennies stay attached to the temples of your head as if by magnetism all by themselves especially during a headache?
Actually, pennies stay attached to the temples because of folds in the skin. A person with a headache will squint more causing more adhesions.
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