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Mercury has one of the lowest specific heat capacities. If 257 J of heat are added to 0.45 KJ of mercury, the Mercury’s temperature will increase by 4.09 K. What is the specific heat capacity of mercury?

Respuesta :

Answer:

139.67 (J/kgk)

Explanation:

Given data:

mass of mercury = m = 0.45 Kg

Amount of energy = Q = 257 J

Increase in the temperature = ΔT = 4.09 K

To find:

Specific heat capacity = C

Formula:

By using specific heat equation,

Q =  m x C  X  ΔT

C =  Q  /  m  x  ΔT

   = 257J  /  o.45 kg  x  4.09K

   = 257J  / 1.84

    = 139.67 (J/kgk)

Specific heat of mercury is 139.67 (J/kgk).