Latent heat and specific heat in insulated container

So, the total mass and specific heat capacity are for water. Using the equation Q=mcΔT, we can set up the following equation: 0=Qwater+Qiron = mcΔT(water)+mcΔT(iron) = (4.0)(4200)(Tf-20)+(5.0)(400)(Tf-Ti). Solving for Tf, we get Tf=353°C.In summary, by using the equations Q=mcΔT and Q=ml, we can determine the equilibrium temperature of a system containing 1.0kg of ice, 3.0kg of water, and 5.0kg of iron. After calculating the heat transferred
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Homework Statement


A 1.0kg of ice at 0◦C, 3.0kg of water at 0◦C, and 5.0kg of iron at temperature T are placed in a sealed and insulated container. cFe =400J/ kg◦C ,cWater=4200J/ kg◦C , cIce= 2000 J/ kg◦C

latent heat for ice is 3.3×105 J .
The equilibrium temperature is 20◦C.

Homework Equations


Q=mcΔT
Q=ml

The Attempt at a Solution


0=Qice→water+Qice+Qwater+Qiron
=ml(ice)+mcΔT(ice)+mcΔT(water)+mcΔT(iron)
=(1.0)(330000)+(1.0)(2000)(20-0)+(3.0)(4200)(20-0)+(5.0)(400)(20-Ti)
Ti=331°C

BUT the answer says it should be 353°
 
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Once you have melted the ice, it is water.
 
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1. What is the difference between latent heat and specific heat?

Latent heat is the energy required to change the state of a substance without changing its temperature, such as from solid to liquid. Specific heat, on the other hand, is the amount of energy needed to change the temperature of a substance by 1 degree Celsius.

2. How do latent heat and specific heat affect an insulated container?

In an insulated container, latent heat and specific heat work together to maintain a constant temperature. The specific heat helps to regulate the temperature by absorbing or releasing heat energy, while the latent heat helps to maintain the state of the substance inside the container, preventing it from changing into a different state.

3. What happens to the latent heat and specific heat inside an insulated container?

In an insulated container, the latent heat and specific heat remain constant as long as the temperature remains constant. If the temperature changes, the specific heat will adjust to maintain the temperature, while the latent heat will only change if the substance changes state.

4. How does insulation affect the latent heat and specific heat in a container?

Insulation helps to reduce the transfer of heat between the inside and outside of the container. This means that the specific heat and latent heat inside the container will be less affected by external temperature changes, allowing for more precise temperature control.

5. Why is it important to consider latent heat and specific heat in an insulated container?

Understanding latent heat and specific heat is essential for designing and using insulated containers effectively. These concepts help to regulate and maintain a constant temperature, which is crucial for storing and transporting sensitive materials, such as food and pharmaceuticals.

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