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Home Q & A Board Science-Related Homework Help Physics
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jake08benn jake08benn
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6 years ago
100 grams of molten lead (600C) is used to make musket balls. If the lead shot is allowed to cool to room temperature (21C), what is the change in entropy (in J/K) of the lead? (For the specific heat of molten and solid lead use 1.29 J/gC; the latent heat of fusion and the melting point of lead are 2.45  104 J/kg and 327C.)
 a. -145
  b. -252
  c. -302
  d. -429
  e. -100
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brecool9brecool9
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6 years ago
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jake08benn Author
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6 years ago
Good timing, thanks!
Starfiew
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Yesterday
this is exactly what I needed
linlinlin
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2 hours ago
Helped a lot
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