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Joule (J) is a unit of energy.
Gram (g) is a unit for mass.

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9y ago
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4mo ago

Absorbed heat depends on the specific heat capacity of the substance. If you provide the substance and the temperature change, then we can help you calculate the heat absorbed.

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Q: How much heat must be absorbed by 50 grams?
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How much energy must be absorbed by 150 grams of ice?

To get ice to its melting point, it must absorb 334 joules of energy per gram of ice. So, for 150 grams of ice, the total energy required would be 50,100 joules (334 J/g * 150 g).


How much heat must be transferred for 20 g of liquid water at 100 C to become steam is it absorbed or released?

The heat required to convert 20 g of liquid water at 100°C to steam at 100°C is the heat of vaporization of water. This is 2260 J/g. Therefore, the total heat required is 20 g * 2260 J/g = 45200 J. This amount of heat is absorbed by the water as it changes phase from liquid to steam.


What must occur to the heat energy of an object in order of a phase change of the state of matter?

During a phase change, the heat energy of an object must either be absorbed or released to allow the particles to overcome intermolecular forces and rearrange into a new phase. For example, during melting, heat energy is absorbed to break the intermolecular bonds holding the solid together and transition it into a liquid.


How much heat must be absobed to competly melt 35 grams of H2Os at 0 degrees c?

1 x 10^4 J


A piece of iron absorbs an amount of heat when it is heated from 22 degrees Celsius to 28 degrees Celsius- How many joules does it absorb?

The amount of heat absorbed by the iron can be calculated using the formula: Q = mcΔT where Q is the heat absorbed, m is the mass of the iron, c is the specific heat capacity of iron (0.45 J/g°C), and ΔT is the change in temperature (28°C - 22°C = 6°C). If the mass of the iron is known, the heat absorbed can be calculated.

Related questions

Why heat absorbed by the engine must be discharged?

Why does heat get absorbed by the engine must be discharged??The reason why heat is absorbed by the engine must be discharged to the atmosphere in one way or another because the engine will become overheated and eventually seize up and this is why a cooling system is built into the engine to cool it and prevent overheating.This is answered by J.G.NThank you for using this answer in what ever you need it for.


The heat of fusion for water is the amount of energy that must be absorbed for water to what?

Melt.


In calculating the heat given off by a reaction in a calorimeter you must account for heat absorbed by?

In calculating the heat given off by a reaction in a calorimeter, you must account for heat absorbed by the surroundings, including the calorimeter itself, any water or solution in the calorimeter, and the air around the calorimeter that may be affected by the reaction. This ensures an accurate measurement of the heat released or absorbed by the reaction itself.


How much heat energy must be absorbed to completely melt 35.0 grams of water at 0 degrees Celsius?

The heat energy required to melt a substance can be calculated using the formula: heat energy = mass * heat of fusion. For water, the heat of fusion is 334 J/g. So for 35.0 grams of water, the heat energy required to completely melt it is 35.0 g * 334 J/g = 11,690 J.


How much heat energy must be absorbed to completely melt 35 grams of h2o at o degrees?

The heat energy required to melt ice is known as the heat of fusion, which for water is 334 J/g. Therefore, to completely melt 35 grams of ice, you would need 35g x 334 J/g = 11,690 J of heat energy.


How much heat is absorbed if 2.60mol of A reacts if heat of formation in 237kJmol?

You must first convert kJ/mol. So.. -237kJ x (1kJ / 2.60mol) = -91.15kJ You then must take this and multiple by (-1), since you cannot have a negative heat. (-91.15kJ x -1) = 91.15kJ


How much heat is absorbed if 2.60mol of A reacts if heat of formation in -237kJmol?

The amount of heat absorbed can be calculated using the heat of formation as ΔH = nΔH_f, where n is the number of moles and ΔH_f is the heat of formation. Plugging in the values, we have ΔH = 2.60 mol * (-237 kJ/mol) = -616.2 kJ. Therefore, 616.2 kJ of heat is absorbed during the reaction of 2.60 mol of A.


How much energy must be absorbed by 150 grams of ice?

To get ice to its melting point, it must absorb 334 joules of energy per gram of ice. So, for 150 grams of ice, the total energy required would be 50,100 joules (334 J/g * 150 g).


Name one quantity that must be know in order to determine the amount of heat associated with a body?

There are three: Energy absorbed by a body is directly proportional to the rise in temperature of a body Heat energy absorbed by a body is directly proportional to the mass of the body Heat energy absorbed by a body depends upon its nature and is commonly called specific heat capacity.


How do you know if the heat is absorbed or released?

Boiling does require the liquid to be absorbing heat--large amounts at the point of transition from liquid to gas. Obviously, in the real world, some of this heat is being released simultaneously, but more must be absorbed than is released for boiling to continue.


How much heat must be transferred for 20 g of liquid water at 100 C to become steam is it absorbed or released?

The heat required to convert 20 g of liquid water at 100°C to steam at 100°C is the heat of vaporization of water. This is 2260 J/g. Therefore, the total heat required is 20 g * 2260 J/g = 45200 J. This amount of heat is absorbed by the water as it changes phase from liquid to steam.


What must occur to the heat energy of an object in order of a phase change of the state of matter?

During a phase change, the heat energy of an object must either be absorbed or released to allow the particles to overcome intermolecular forces and rearrange into a new phase. For example, during melting, heat energy is absorbed to break the intermolecular bonds holding the solid together and transition it into a liquid.