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Sanket Kumar 3 years, 2 months ago
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Sia ? 3 years, 2 months ago
The evaporation of the sweat is actually what cools you. The changefrom a liquid to a gas requires heat energy and it gets part ofthat heat energy from the skin, making the body feel cooler. Perspiration takes excess heat from your body and releases it tothe surface in moisture. A secondary mechanism continues to coolthe body as the moisture evaporates from the surface of the skin.Cooling occurs in all types of climates but the evaporationmechanism works best in areas with low humidity because it exchangeis more rapid.
Posted by Sanket Kumar 3 years, 2 months ago
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Sanket Kumar 3 years, 2 months ago
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Sanket Kumar 3 years, 2 months ago
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Sanket Kumar 3 years, 2 months ago
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Sanket Kumar 3 years, 2 months ago
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Sanket Kumar 3 years, 2 months ago
Sanket Kumar 3 years, 2 months ago
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Sanket Kumar ? 3 years, 2 months ago
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Posted by Sanket Kumar ? 3 years, 2 months ago
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Sanket Kumar ? 3 years, 2 months ago
Posted by Sanket Kumar ? 3 years, 2 months ago
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Sia ? 3 years, 2 months ago
Oxygen exists in the diatomic form in a gaseous state (O2). Therefore, for finding the molar mass of diatomic oxygen we should multiply the atomic mass (16) by two.
Molar mass of O2 = 16×2
= 32 g/mol
By using the above-mentioned formula, we can write,
Number of moles in 12 g oxygen gas = 12g32gmol−1
= 0.375 mol
Therefore, 12 g of oxygen gas has 0.375 moles.
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Anshika Sharma 3 years, 2 months ago
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