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How does specific latent heat of water vary with temperature?
Latent heat of water is the heat required to change its state at a particular temperature BECAUSE of the pressure at which the water is at at the point of fusion or evaporation.The latent heat is not affected by temperature (in fact there is no temperature change during absorption of latent heat) it is affected by the pressure acting on a substance. As the pressure increases, the latent heat (of evaporation) decreases, consequently with the change in pressure there is also a different temperature at which the evaporation takes effect, higher pressure, higher temperature at the evaporation point.
What is laten heat?
"Latent heat" refers to the heat energy absorbed or released during a change of state without a change in temperature. For example, when ice melts into water, heat is absorbed from the surroundings without a rise in temperature, which is the latent heat of fusion. Similarly, when water vapor condenses into liquid water, heat is released without a decrease in temperature, known as the latent heat of condensation.
How are sensible heat and latent heat different in terms of their impact on temperature changes in a substance?
Sensible heat and latent heat are different in how they affect temperature changes in a substance. Sensible heat directly raises or lowers the temperature of a substance when added or removed, while latent heat causes a substance to change its state (such as melting or evaporating) without changing its temperature.
What is the opposite of latent heat?
The opposite of latent heat is sensible heat. Sensible heat is the heat that causes a change in temperature of a substance without a change in phase.
What is the difference between latent heat and heat?
Usually as we give heat to a system then temperature of the system would rise. But at the boiling point though we give enormous amount of heat the temperature would remain the same and so the heat given is said to be latent and it is used to change water from liquid state to gaseous state. Hence the name latent heat
What is the difference between specific heat and latent heat, and how do they affect the heat transfer process?
Specific heat refers to the amount of heat required to raise the temperature of a substance by one degree Celsius, while latent heat is the heat absorbed or released during a phase change without a change in temperature. Specific heat affects the temperature change of a substance, while latent heat affects the phase change process. Both specific heat and latent heat play a role in heat transfer processes by determining how much heat is needed to change the temperature or phase of a substance.
What is the difference in specefic heat and latent heat?
Specific heat is the heat energy in joules required to rise the temperature of one kg of substance through one kelvin without a change in its state. But latent heat is the heat required to change the state of one kg of substance without change in temperature.
Would the computed Latent heat of fusion be affected if the ice in the inner cup is not totally melted when the final temperature is determined?
yes. because the temperature will change. thus, increasing ur error.
Why does the temperature stops rising during melting and boiling point?
Because the latent heat of fusion and latent heat of vaporization are very high
Why is latent heat called hidden heat?
The latent heat of fusion refers to the heat of fusion in reactions that involve a solid that forms a liquid, or vice versa. The latent heat of vaporization is the latent heat involving a liquid that forms a gas or vice versa.Latent means hidden or unseen. In this context, the 'latent' heat is the heat that is not detectable as a temperature change in the substance. Rather than adding kinetic energy (which is detectable as a temperature change) some heat is required to break the bonds of the solid structure.
What is the difference between latent heat of fusion and latent heat of vapourization?
the heat which is absorbed by a substance for changing solid into liquid state by keeping temperature constant is called latent heat of fusion while the heat which is evolved during phase change of liquid to vapour state at constant temperature is called latent heat of vapourization
Difference between latent heat from sensible heat?
Two forms of heat are relevant in air conditioning:1. Sensible Heat2. Latent HeatSensible heatWhen an object is heated, its temperature rises as heat is added. The increase in heat is called sensible heat. Similarly, when heat is removed from an object and its temperature falls, the heat removed is also called sensible heat. Heat that causes a change in temperature in an object is called sensible heat.Latent heatAll pure substances in nature are able to change their state. Solids can become liquids (ice to water) and liquids can become gases (water to vapor) but changes such as these require the addition or removal of heat. The heat that causes these changes is called latent heat.Latent heat however, does not affect the temperature of a substance - for example, water remains at 100°C while boiling. The heat added to keep the water boiling is latent heat. Heat that causes a change of state with no change in temperature is called latent heat.Appreciating this difference is fundamental to understanding why refrigerant is used in cooling systems. It also explains why the terms 'total capacity' (sensible & latent heat) and 'sensible capacity' are used to define a unit's cooling capacity. During the cooling cycling, condensation forms within the unit due to the removal of latent heat from the air. Sensible capacity is the capacity required to lower the temperature and latent capacity is the capacity to remove the moisture from the air.
