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A material's specific heat and latent heat depend on the type of substance and its phase (solid, liquid, or gas). Specific heat is the amount of heat needed to raise the temperature of 1 kg of the substance by 1°C, while latent heat is the amount of heat absorbed or released during a phase change at a constant temperature.
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What two things does the specific latent heat of a material depend on?
The specific latent heat of a material depends on the substance being considered and the phase change involved, such as condensation or freezing.
What are the factors that affect specific latent heat of fusion of a substance?
The amount of energy needed to change the "state of matter" is termed as "latent heat". This is not same for vapourisation (liquid to vapour) or for fusion (solid to liquid). For example, latent of fusion is 79.7 cal whereas latent heat for vapourisation is 541 calories. The latent depends on how closely the atoms and molecules in the matter are closely packed.
What unit is specific latent heat measured in?
The unit for specific latent heat is J Kg-1(Joules per Kilogram)
What is the specific latent heat of fusion for a substance that takes 550 kJ to melt 14 kg at 262 K?
The specific latent heat of fusion can be calculated by dividing the energy required to melt the substance by the mass of the substance. In this case, the specific latent heat of fusion would be (550 kJ) / (14 kg) = 39.29 kJ/kg.
Can you measure Latent heat with a thermometer?
No, latent heat cannot be measured directly with a thermometer. Latent heat is the energy absorbed or released during a phase change (e.g. melting, boiling) without a change in temperature. The amount of latent heat can be calculated using specific equations and constants for each substance.
What two things does the specific latent heat of a material depend on?
The specific latent heat of a material depends on the substance being considered and the phase change involved, such as condensation or freezing.
What are the factors that affect specific latent heat of fusion of a substance?
The amount of energy needed to change the "state of matter" is termed as "latent heat". This is not same for vapourisation (liquid to vapour) or for fusion (solid to liquid). For example, latent of fusion is 79.7 cal whereas latent heat for vapourisation is 541 calories. The latent depends on how closely the atoms and molecules in the matter are closely packed.
What materials have high latent heat capacity?
water
What unit is specific latent heat measured in?
The unit for specific latent heat is J Kg-1(Joules per Kilogram)
What are the factors considered for heat load calculation?
Which of the following variables are used to calculate the sensible heat load of a product? Group of answer choices Respiration heat, specific heat, and temperature change. Latent heat, product weight, and temperature change. Latent heat, product weight, and respiration heat. Product weight, specific heat, and temperature change.
What are the factors that cause breezes to occur?
The high latent heat of water.
Which of the the contributions of the latent period depend on the position of the stimulating electrode?
The contribution of the latent period that depends on the position of the stimulating electrode stimulation of the bodies. The other contributions include the intensity and the duration.
What is the specific latent heat of fusion for a substance that takes 550 kJ to melt 14 kg at 262 K?
The specific latent heat of fusion can be calculated by dividing the energy required to melt the substance by the mass of the substance. In this case, the specific latent heat of fusion would be (550 kJ) / (14 kg) = 39.29 kJ/kg.
Is specific latent heat of ice is same for water or not?
The specific latent heat of ice and water is not the same. The specific latent heat of fusion for ice (the heat required to convert ice to water at 0°C) is approximately 334 kJ/kg, while the specific latent heat of vaporization for water (the heat required to convert water to vapor at 100°C) is significantly higher, around 2260 kJ/kg. Thus, the energy required for phase changes differs between ice and water.
What does the body depend upon when cooling itself in a hot environment?
The latent heat of evaporation of water - the evaporation of sweat.
Can you measure Latent heat with a thermometer?
No, latent heat cannot be measured directly with a thermometer. Latent heat is the energy absorbed or released during a phase change (e.g. melting, boiling) without a change in temperature. The amount of latent heat can be calculated using specific equations and constants for each substance.
What is the electrical method to determine the specific latent heat of vaporisation?
One way to determine the specific latent heat of vaporization using electricity is to pass a known electric current through a resistor immersed in a liquid until it vaporizes. By measuring the amount of energy supplied through the electric current and the resulting increase in temperature of the liquid, the specific latent heat of vaporization can be calculated using the formula Q = I^2Rt, where Q is the energy supplied, I is the current, R is the resistance of the resistor, and t is the time taken to vaporize the liquid.
