finding the temp between copper and silver

Chemistry
Tutor: None Selected Time limit: 1 Day

the specific heat of copper is 0.093 cal/g degree celcius and the specific heat of silver is 0.057 cal/g degree celcius. If 200 cal of heat is added to one g of each metal at 25 degree celcius. which one of them will have higher temperature

Oct 3rd, 2015

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heat gained = specific heat capacity * mass * change in temperature

copper

200 cal = 0.093 cal/g degree Celsius  * 1 g * ( T2 - 25C)

T2- 25 degrees celcius =  200 cal / 0.093cal/degree celcius

T2- 25 degrees celcius = 2150.54 degree celcius

t2 = 2150.54 + 25

t2 = final temperature= 2175.54 degrees Celsius

silver

200 cal = 0.057 cal/g degree Celsius * 1 g * ( T2 - 25C) 

T2- 25 degrees celcius = 200cal/ 0.057 degrees Celcius

T2- 25 degrees celcius = 3508.77 degrees Celcius

T2 = 25 +3508.77

T2 = 3533.77 degrees celcius


silver will therefore have a higher final temperature.


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Sep 16th, 2015

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