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When an object is hot, the temperature rises as heat is added. This increase in heat is called sensible heat. Solids can become liquids and liquids can become gases but changes like this require the addition or removal of heat. The heat that causes these changes is called latent heat.
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How does the amount of heat required to change water from a solid to a liquid compare with the amount needed to change from a liquid to a gas?
Very simply, the amount of heat required to change state is exactly the same for solid to liquid (ice to water) and liquid to gas (water to steam) for a given substance, in this case water. The basic measurement of heat is the BTU (British Thermal Unit). 1 BTU is the quantity of heat required to raise 1 pound of water 1 degree Fahrenheit at atmospheric pressure. Keep in mind that there are two 'types' of heat to consider when contemplating the change of state of a substance: Sensible heat and latent heat. Clearly, sensible heat we can measure directly with a thermometer. Latent heat is a calculated quantity. When water undergoes the change of state from water to steam (liquid to gas) it does so through the gain of heat quantity. That heat gain that causes the change of state is latent heat, i.e; the actual heat gain is unmeasurable by thermometer since the temperature of that water is 212 deg f as it undergoes the change of state to steam, and that steam is also 212 deg f. Any increase in the temperature of the steam is said to 'superheat' the steam. As an example, steam fed boilers are nearly always supplied with 'superheated' steam at temperatures near 600 deg f. We see the addition of heat quantity as sensible heat during the rise of the waters temperature to 212 deg f (we are able to measure the rise in temperature), then we see the addition of heat quantity as latent heat during the change of state to gas from liquid (no change in the measurable temperature during the change of state), and again the addition of heat quantity as sensible heat in the process of 'superheating' the steam to any temperature above 212 deg f. If you can quantify the amount of water in pounds, you can quantify the amount of heat in BTU's.
Is condensation a energy loss or gain?
Condensation is typically considered an energy loss because it releases energy as heat when water vapor changes to liquid water. This energy is known as latent heat of condensation.
What are the two factors that affect the rate of heat gain or loss of am object through radiation?
The two factors that affect the rate of heat gain or loss of an object through radiation are the temperature difference between the object and its surroundings and the emissivity of the object's surface. The temperature difference plays a role in determining the direction and magnitude of heat transfer, while emissivity quantifies how efficiently an object emits or absorbs thermal radiation.
How do things gain heat?
Things gain heat through the process of heat transfer, which occurs when there is a temperature difference between two objects or systems. Heat can be transferred through conduction, convection, or radiation, and is typically caused by the movement of particles within the material.
Does water vapor lose or gain energy during process of condensatiom?
Water vapor loses energy during the process of condensation. As the vapor cools and condenses, it releases latent heat energy, which is why condensation often forms clouds or dew when warm, moist air cools down.
What is the difference between permanent weight gain and weight gain?
dude, read your question. hint:permanent and not permanent
What is the difference between moderate and increase?
Moderate=slight Increase=A gain.
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 is difference between bankers discount and true discount?
The Banker's Gain (BG) is the difference between a banker's discount and a true discount. It is a deduction with simple interest.
Realized gain or loss is measured by the difference between the amount realized from the sale or other disposition of property and the property's adjusted basis at the date of disposition?
Realized gain or loss is measured by the difference between the amount realized from the sale or other disposition of property and the property's adjusted basis at the date of dispositionAnswer: TrueRealized gain or loss is the difference between the amount realized and the property's adjusted basis.
What is the basic difference between the autotrophs and the heterotraphs?
autotrophs gain carbon via CO2. Heterotrophs gain carbon by consuming organic molecules.
What is the difference between 0db 3db 5db gain?
Each 3db doubles the apparent volume.
Difference between debit and credit in accounting?
A debit is money paid out or a loss, a credit in income or a gain.
What is the difference between a dividend and a capital gain?
dividends are the payments made from the profits in which a person owns stock, and capital gain is the increase in value of a capital asset.
What is the difference in percent gain between R-19 and R-30 insulation in an attic?
57% gain. A R30 would be the same as a R19 + a R11 batt.
What is the difference between pre gain and post gain in audio processing?
Pre-gain refers to adjusting the input level before it enters the processing chain, while post-gain involves adjusting the output level after processing has been applied.
What is net migration gain?
Here's your answer: The difference between immigration and emigration in a certain area during a specific time frame
