When an athlete gets hurt they apply sometimes an instant cold pack to the injury. the instant cold pack works by mixing two che
2 answers:
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Answer:
The correct answer is "430 kJ/kg". A further explanation is given below.
Explanation:
The given values are:
T₁ = 400 k
T₂ = 800 k
The average temperature will be:
=
=
=
From table,
At 600 k the will be = 1.075
Now,
⇒ The specific enthalpy =
⇒
⇒