To find C x the specific heat capacity of material X, Ram places 75 g of it in a 30 g copper calorimeter that contains 65 g of water, all initially at 20ºC. When Ram adds 100 g of water at 80ºC, the final temperature is 49 ºC. What is C x ? [Specific heat capacity of copper = 410 J kg – 1 K –1 , Specific heat capacity of water C w = 4200 J kg –1 K –1 ]
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(2180)
C x = 2180 
(m x C x + m Cu C Cu + m w C w ) Δθ
= m hw C hw Δθ hw
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