A 148 g sample of an unknown metal at 74.0 oC is placed in a beaker containing 80.0 g of H2O at 25 oC.  The final temperature of the metal sample and water is 32 oC.  cH2O(l) = 4.184 j/ g oC SHOW ALL WORK (a) What is the specific heat (c) of the metal?   (b) 5 common metals have the following specific heat capacities (c) [given in units of J/g oC] :    Aluminum: 0.921     Copper: 0.377        Gold: 0.126       Iron: 0.461      Nickel:  0.502   Your sample is most likely to be which metal?

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Chapter9: Energy And Chemistry
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A 148 g sample of an unknown metal at 74.0 oC is placed in a beaker containing 80.0 g of H2O at 25 oC.  The final temperature of the metal sample and water is 32 oC.  cH2O(l) = 4.184 j/ g oC

SHOW ALL WORK

(a) What is the specific heat (c) of the metal?

 

(b) 5 common metals have the following specific heat capacities (c) [given in units of J/g oC] :   

Aluminum: 0.921     Copper: 0.377        Gold: 0.126       Iron: 0.461      Nickel:  0.502

 

Your sample is most likely to be which metal?

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