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aalyn [17]
3 years ago
12

3.3.2 lab: How does Temperature affect Water Density?

Biology
2 answers:
uranmaximum [27]3 years ago
5 0
Heating a substance causes molecules to speed up and spread slightly further apart, occupying a larger volume that results in a decrease in density. Hot water is less dense and will float on room-temperature water. Cold water is more dense and will sink in room-temperature water.
Hoochie [10]3 years ago
3 0

Answer:

Quite Stable

Explanation:

The <em>density of liquid water is very  stable and varies little with changes in  temperature and pressure .</em>

At the normalized pressure of 101 325 Pa (1 atmosphere), the  liquid water has a maximum density  999,974 9 kg · m-3 at 3,983 035 ° C. When climbing  the temperature decreases the density (by  For example, at 20 ° C it has 998,206 7 kg · m-3 and at  40 ° C reaches a density of 992,215 2  kgm-3.

The temperature of 3,983 035 ° C represents a turning point and is when it reaches its maximum density (at the mentioned pressure). From that point, when the temperature drops, the density begins to decrease, although very slowly  (almost nothing in practice), until at 0 ° C it decreases until  999,842 8 kgm-3.

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