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ew History Bookmarks People Window Help Files × D Cengage x * Settings Cengage x

ID: 1036505 • Letter: E

Question

ew History Bookmarks People Window Help Files × D Cengage x * Settings Cengage x.eoww21 cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.dolocator assignment-take Use the Refferences to access important valees if seeded Sor this quetien The following information is given for silver at latm ??1vap( 2212°C)-254 kJmol 961 C)- 12.0 kJ/mol boiling point 2212 melting point-961°C specific heat solid- 0.238 Jgc specific heat liquid 0.285 igc ond pts 20q 1 pts 2req J are required to melt a 22.6 g sample of solid silver, Ag, at its normal mcinting point Retry Entire Group 9 more group atempts remaining Submit Answer H... 1 pts 2req FT 8

Explanation / Answer

Solution:-

q = n*delta Hfus

Where q is the heat required to melt solid silver at it's normal melting point.

n is moles of silver and delta Hfus is the enthalpy of fusion.

22.6 g x (1mol/107.87 g) x (12.0 kJ/mol)

= 2.51 kJ