Explain water equivalent in simple words with examples.
Answers
ʜᴏʟᴀ ᴍᴀᴛᴇ,
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✔ɪᴛ ɪꜱ ᴅᴇꜰɪɴᴇ ᴀꜱ ᴛʜᴇ ᴍᴀꜱꜱ ᴏꜰ ᴡᴀᴛᴇʀ ᴛʜᴀᴛ ᴡɪʟʟ ᴀʙꜱᴏʀʙ ᴏʀ ʟᴏꜱᴇ ᴀꜱ ꜱᴀᴍᴇ qᴜᴀɴᴛɪᴛy ᴏꜰ ʜᴇᴀᴛ ᴀꜱ ᴛʜᴇ ꜱᴜʙꜱᴛᴀɴᴄᴇ ꜰᴏʀ ᴛʜᴇ ꜱᴀᴍᴇ ᴄʜᴀɴɢᴇ ɪɴ ᴛᴇᴍᴩᴇʀᴀᴛᴜʀᴇ...
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✔̲t̲h̲e̲ h̲e̲a̲t̲ a̲b̲s̲o̲r̲b̲e̲d̲ o̲r̲ l̲o̲s̲t̲ b̲y̲ a̲ s̲u̲b̲s̲t̲a̲n̲c̲e̲ = w̲a̲t̲e̲r̲ e̲q̲u̲i̲v̲a̲l̲e̲n̲t̲ o̲f̲ t̲h̲e̲ s̲u̲b̲s̲t̲a̲n̲c̲e̲ × t̲e̲m̲p̲e̲r̲a̲t̲u̲r̲e̲ i̲n̲c̲r̲e̲a̲s̲e̲d̲ o̲r̲ d̲e̲c̲r̲e̲a̲s̲e̲d̲
✔For example: if we say the water equivalent of a substance is is 20 gm, we understand that the heat that is required to raise the temperature of the substance by 1°C can be used to raise the temperature of 20 gm of water by 1°C.
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Answer:
What is Water Equivalent ?
The product of a mass of a body by its specific heat equal numerically to the mass of water that is equivalent in thermal capacity to the body.
The mass of the body is termed as water equivalent.
Explanation :-
This is in reference to the calorimetry.
Now, suppose X heat is given to the calorimeter. This result in Y° rise in temperature of the calorimeter.
If the same X heat is given to Z kg water, such that the temperature rise of the water is exactly Y°, then Z is the water equivalent of calorimete.
Unit:-
This is measured as per unit volume that is grams per cubic centimeters.