A 125-g piece of aluminum (specific heat of 0.900 J/gC) is heated to 95°C and placed into a 375-g sample of water (specific heat of 4.184 J/gC). The final temperature is 22°C. A. Calculate the change in heat of the aluminum

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2) A 125-g piece of aluminum (specific heat of 0.900 J/gC) is heated to 95°C and placed into a 375-g sample of water (specific heat of 4.184 J/gC). The final temperature is 22°C. A. Calculate the change in heat of the aluminum. B. Calculate the initial temperature of the water. C. If a 125-g piece of iron (specific heat of 0.450 J/gC) was heated to 95°C and placed in the same sample of water, would the final 2x temperature be higher or lower than 22°C ? Explain.
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Solution:- Mass (m) of aluminium piece = 125 g 

Specific heat capacity (ca) of aluminium = 0.900 J/g°C.

Initial temperature (Ti) = 95 °C.

Final temperature (Tf) = 22 °C.

Mass (m) of water = 375 g 

Specific heat capacity (cw) of water = 4.184 J/g°C.

Final temperature of water = 22 °C.

 

 

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