How much mechanical work must be done to completely melt 1 gram of ice

1.	How much mechanical work must be done to completely melt 1 gram of ice at 0°C ?
Answer» <html><body><p> 80 J</p><br/><br/><p>It takes 80 <a href="https://interviewquestions.tuteehub.com/tag/calories-908016" style="font-weight:bold;" target="_blank" title="Click to know more about CALORIES">CALORIES</a> to melt <a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a> gram of <a href="https://interviewquestions.tuteehub.com/tag/ice-1035302" style="font-weight:bold;" target="_blank" title="Click to know more about ICE">ICE</a>. If 1 g of ice (at <a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a> degrees Celsius) is given 80 calories, it will melt and the <a href="https://interviewquestions.tuteehub.com/tag/final-461168" style="font-weight:bold;" target="_blank" title="Click to know more about FINAL">FINAL</a> temperature of the water will be 0. Freezing water at 0 degrees Celsius: It also takes 80 calories to freeze 1 gram of water.</p></body></html>

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