Describe briefly how the volume of a given mass of water changes when it is cooled from 7 ^0 C to 1^0 C use the terms increase, decrease and maximum or minimum
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When water is cooled from 7°C to 1°C, its volume undergoes some changes. To understand how the volume changes, we need to consider the behavior of water as it goes through various temperature ranges.
Water follows a specific pattern when it comes to its volume changes. At temperatures above 4°C, water behaves like most substances and expands when heated and contracts when cooled. However, something interesting happens when water is cooled below 4°C.
Between 4°C and 0°C, water actually starts to expand as it cools down. This means that the volume of water increases when it goes from 7°C to 4°C. So, between these temperatures, the volume of water increases.
As the temperature continues to drop below 0°C, water undergoes a phase change and solidifies into ice. During the process of freezing, the volume of water decreases significantly. This means that the volume of water decreases when it goes from 4°C to 0°C.
To summarize:
- From 7°C to 4°C, the volume of the water increases.
- From 4°C to 0°C, the volume of the water decreases.
It's important to note that the exact measurements of the volume changes can be calculated using the coefficient of cubic expansion or by using specific data provided by the water authority or scientific literature. These values will give you a better understanding of the quantitative changes in volume during the cooling process.