A 30.5-g sample of an alloy at 93.0°C is placed into 50.0 g of water at 22.0°C in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the alloy?

The specific heat of alloy  

Explanation:

Mass of the alloy = 30.5 gm = 0.0305 kg

Initial temperature = 93 °c = 366 K

Mass of water = 50 gm = 0.05 kg

Initial temperature = 22 °c = 295 K

Final temperature of the mixture = 31.1 °c = 304.1 K

From the energy conservation principal the heat lost by the alloy is equal to heat gain by the water.

Heat lost by alloy

 ------- (1)

Heat gain by water

 ------- (2)

Equation (1) = Equation (2)

This is the specific heat of alloy.

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16

explanation:

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