Respuesta :
The final temperature is [tex]110^{o}[/tex]C.
Given that,
energy Q given = 350KJ
Boiling point = 373 K
Melting point = 273 K
Enthalpy of vaporization = 2,260 J/g
Ice's latent heat of fusion (L f) is 334 J/g.
Solid's specific heat capacity: 2.11 J/ (g K)
Liquid's specific heat capacity: 4.18 J/ (g K)
Specific heat capacity (gas) = 2.08 J/(g K)
Specific heat capacity of water ( c w)=1cal/g ∘C
Mass of ice (m)=100g
Initial temperature of ice (T1)= -10∘C
final temperature of ice (T2)= x ∘C
Let the temperature of mixture be x
to find final temperature :
Q =mcΔT
350 KJ = 100×2.11×(x−(-10))
350 KJ = 100×2.11×(x−(-283))
x=110∘C
From the principle of calorimetry, final temperature of ice after heating is 110∘C.
What is principle of calorimetry ?
Heat is transmitted from the body with higher temperature to the body with lower temperature until thermal equilibrium is reached between them when two bodies of different temperatures (ideally a solid and a liquid) are placed in physical contact with one another .A higher body temperature causes the release of heat whereas a lower body temperature absorbs heat. The law of conservation of energy, which states that the total amount of heat lost by a hot body equals the total amount of heat acquired by a cool the body, as the calorimetry principle demonstrates.
Heat Lost = Heat Gained
Using the following formula, the heat transport in a system is determined.
Where
q is the measure of heat transfer
m is the mass of the body
C is the body's specific heat
Δt is the change in the temperature
To know more about calorimetry :
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