Why can't we use the formula Heat absorbed / given = mc∆t over here..
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What is chamical change?
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We can't just use the formula Heat absorbed / given = mcΔT as there is no term of latent heat involved
Explanation:
- Here the formula of Q = mcΔT has been used but there is an extra term mL too.
- Here L is the latent heat of vapourization
- We know that water gets converted into steam at 100°C
- When we heat water to convert it into steam, the water isn't converted into steam just when it reaches 100°C, rather it requires extra heat, only then it is converted into the steam
- This "extra heat" is calculated by mL, where m is mass and L is latent heat of vapourization.
Hope this answer is helpful.
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