Question
Download Solution PDFWhich one of the following regarding density of water at atmospheric pressure is correct?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
Density:
- The mass per unit volume is called a density of a material.
- Density is a scalar quantity.
EXPLANATION:
- The density of some common fluids.
|
Temperature |
Density (kg m-3) |
|
100 °C |
958.4 |
|
80 °C |
971.8 |
|
60 °C
|
983.2 |
|
40 °C
|
992.2 |
|
4 °C
|
1.0 × 103 |
|
-10 °C
|
998.12 |
|
-20 °C |
993.547 |
- When the water molecules are present in ice form then it has a lot of empty space within molecules.
- When water melts then after converting into the water the molecules get closer to each other and they will be mostly closed to each other at 4°C.
- Hence the density of water at 4°C is maximum which is 1000 kg/m3.
- From the above table, it is clear that the density of water at 4°C is 1000 kg/m3. Therefore option 1 is correct.
- When immiscible liquids of different densities are poured into a container, the liquid of the highest density will be at the bottom while that of the lowest density at the top and interfaces will be plane.
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