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Temperature Effects Density, and Hydrogen Bonds in water, glucose, and alcohol affecting density.

when the temperature is warmer/hotter the molecules in the object are more spread out, less dense.

when the tempreature is cooler/colder the molecules pack together and become more dense, like how ice is cold and solid.

eg. water is spread out, so are the molecules.

water is exposed to cold temperature and turns into ice; hard and dense. molecules packed tightly together. think that they are cold and are huddling together to stay warm.

we can stick our hand in water because we are more dense than water.

but ice is more dense than us, which is why we can't stick our hand through ice. ( that would be so cool...)

the reason water puddles, is because water (H2O) molecules stick together, literally.

alchohol on the other hand, doesn't have a chemical hydrogen bond like water does; hense, alcohol molecules do not stick together.

Glucose, on the other hand, has a very strong hydrogen bond chemical, which is why it's so thick and ALWAYS sticky and stuff.

hope this helps, yours.

i think i just actually helped myself out. i didn't even realize i knew this stuff until i typed it. guess i couldn't put it into words. heh sweet. don't worry, it's def all accurate though.

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14y ago

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