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How much energy is needed to melt 2 kg of aluminum?

800kj-----------Apex<('-'<)


Why does an ice cube melt at rom temp?

The way to make an ice cube is to fill a container with water at room temperature (20 degree Centigrade, say) and then put the container in a freezer, which removes heat from the container/water until the water temperature is below the freezing point (0 degree C, approximately, depending on the atmospheric pressure and water purity). So, the temperature of an ice cube is at or below zero degree C -- something that cannot be achieved outside the freezer. Now take the ice cube out of container and place it on table top. The air and the table surface that the ice cube is in contact are pretty much at 20 degree C temperature. The ice cube starts absorbing the heat from its surrounding. The outer skin will melt first, because its temperature is now above zero degree C, until the whole ice cube becomes a puddle of water. If you touch the puddle just after the ice disappears, you can feel that the water is cooler than the air, because the heat absorption is incomplete. Wait an hour or so, and the water will be at the same temperature as the room air.


How much energy is needed to melt 25.4 grams of L's?

The energy needed to melt a substance is given by its heat of fusion. For L's, this value is typically around 334 J/g. So, to melt 25.4 grams of L's, you would need 25.4 grams x 334 J/g ≈ 8476 J of energy.


How much energy is it required to melt 2 kg of gold?

125.6 kJ (APEX)


How is the H fusion used to calculate the mass of solid that 1kJ of energy will melt?

The enthalpy of fusion of a substance (H fusion) tells us how much energy is required to melt one gram of the substance. By dividing the energy input (1 kJ) by the enthalpy of fusion, you can calculate the mass of the substance that the energy will melt. It's a simple ratio: mass = energy input (kJ) / enthalpy of fusion (kJ/g).

Related Questions

How long does it take to melt ice cube with ice melt?

that depends on the size of the ice cube, how much salt, and the ambient temperature.


How much ounces is there going to be if you melt 1 ice cube?

#


Why does an ice cube melt faster in your hand than the ice cube on table?

Your hand is much warmer than the table.


How much energy is needed to melt 2kg of gold?

It takes approximately 64,000 Joules of energy to melt 1kg of gold. Therefore, to melt 2kg of gold, you would need around 128,000 Joules of energy.


How much energy is required to melt 10g of ice?

The energy required to melt ice is known as the heat of fusion, which is about 334 joules per gram. Therefore, it would take approximately 3340 joules of energy to melt 10g of ice.


How much energy is required to melt 1.5 of lead?

36.8 kj


Does an ice cube melt faster in sprite or pepsi?

Well it is sprite cause it is more bubbly but pepsi tastes much better.


What is the measurement of how much heat energy is required for a substance to melt?

The measurement of how much heat energy is required for a substance to melt is called the heat of fusion. It is the amount of energy required to change a substance from a solid to a liquid at its melting point.


How much energy required for J meson to melt?

J mesons are subatomic particles that do not experience a melting phase transition like larger particles or materials. As such, they do not require energy to melt as they do not solidify.


How much energy is required to melt to kilograms of copper?

The energy required to melt 1 kg of copper at its melting point of about 1084°C is approximately 205 kJ. Therefore, to melt 2 kg of copper, you would need around 410 kJ of energy.


Does the ice cube melt faster on water or land?

The melting rate of an ice depends on the temperature of the surrounding. If the temperature is higher in the surrounding then the ice will melt at a faster rate and if the temperature is low then it will take more time to melt. The process of heat exchange is important whether it is air or water.


How much energy is needed to melt 1 metric ton of iron?

It takes approximately 2.4 million joules of energy to melt 1 metric ton of iron.