Taking into account the definition of calorimetry and latent heat, 11,690 J is required to change 35 g of water from ice to liquid water.
Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.
Sensible heat is defined as the amount of heat that a body absorbs or releases without any changes in its physical state (phase change).
Latent heat is defined as the energy required by a quantity of substance to change state.
When this change consists of changing from a solid to a liquid phase, it is called heat of fusion and when the change occurs from a liquid to a gaseous state, it is called heat of vaporization.
The heat Q that is necessary to provide for a mass m of a certain substance to change phase is equal to
Q = m×L
where L is called the latent heat of the substance and depends on the type of phase change.
In this case, you know:
Replacing in the definition of latent heat:
Q = 35 g× 334 [tex]\frac{J}{g}[/tex]
Solving:
Q= 11,690 J
Finally, 11,690 J is required to change 35 g of water from ice to liquid water.
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