Jamieandej
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A 0.0500 kg ice cube starts at -18.5°C. How much heat does it take to melt it completely? (Don't forget, you have to warm it up to the melting point first.) (Unit=J)

A 00500 kg ice cube starts at 185C How much heat does it take to melt it completely Dont forget you have to warm it up to the melting point first UnitJ class=

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jay40891

Answer:

20522.05 J

Explanation:

Total energy to melt ice

= Energy needed to bring ice to 0 C + Energy needed to change state from solid to liquid

= mcT + mlf [bolded is to bring ice to 0 C, italicised is state change]

= (0.0500)(4186)(18.5) + (0.0500)(3.33 × 10^5)

= 20522.05 J

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