How much energy must be supplied to change 36 g of ice at `0^(@)C` to water at room temperature `25^(@)C`? `{:(,"Data for water",),(DeltaH_("fusion")^

Question

How much energy must be supplied to change 36 g of ice at `0^(@)C` to water at room temperature `25^(@)C`? `{:(,"Data for water",),(DeltaH_("fusion")^

How much energy must be supplied to change 36 g of ice at `0^(@)C` to water at room temperature `25^(@)C`? `{:(,"Data for water",),(DeltaH_("fusion")^(@),,6.01kJ//mol),(C_(P" liquid"),,4.18JK^(-1)g^(-1)):}`
A. 12 kJ
B. 16 kJ
C. 19 kJ
D. 22 kJ

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`DeltaH=DeltaH_("Fusion")` of two moles `+msDeltaT`
`=6.01xx2+36xx4.18xx25xx10^(-3)`
`=16kJ`

5 views Answered 2023-02-05 15:29