what is the difference between molten and melted?
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Senior Member. Perhaps it's the degree of heat: without getting too detailed, chocolate melts at between 35 and 40 degrees Celsius, while steel becomes molten at 1370 degrees Celsius – a serious difference, like between melted ice cream and molten lava. Melted is the past tense and past participle of the verb to melt.
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CHANGES OF STATE OF WATER. - The change from solid to liquid is called fusion, or melting. - To melt 1 gram of ice requires 80 calories.
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Magma is internal molten rock stored in volcanoes & the mantle. Lava is external magma that is ejected from volcanoes. The only similarity is their high temperature & destruction potential. What type of rock is formed by the solidification of molten magma?
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The melting point of a pure substance is always higher and has a smaller range than the melting point of an impure substance or, more generally, of mixtures. ... They melt sharply at a constant temperature to form a liquid of the same composition.
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Both the electrodes are placed in a same container in the solution of molten electrolyte. Here the anode is negative and cathode is the positive electrode. The reaction at the anode is oxidation and that at the cathode is reduction.
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Casting is the process where metal is heated until molten. While in the molten or liquid state it is poured into a mold or vessel to create a desired shape. Forging is the application of thermal and mechanical energy to steel billets or ingots to cause the material to change shape while in a solid state.
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A substance (solid) containing soluble impurities usually melts at a lower temperature than the pure compound. It can also melt over a wide range of temperatures and is called the “melting point depression.” In general, the smaller the range of melting temperatures, the higher the purity of the sample.
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Melting is a physical process that involves the phase transition of a substance from its solid to its liquid state. Burning, on the other hand, is a chemical process that involves a substance being broken down and changed into different substances. ... It's still the same substance, though: water.
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Melting it would increase the volume of that substance because liquids take more space than solids. If you increase the pressure, it becomes harder for that transformation to occur. It's harder to change into a state that needs more volume if you are under pressure! So, you need more energy, hence temperature, to melt.
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The fundamental difference between Cast and wrought aluminum is easy to understand: Cast aluminium is the aluminium that was melted in a furnace and poured into a mold. Wrought aluminium is when the metal is worked in the solid form with the help of specific tools.
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Fusion Process : It is the process of change of state from solid to liquid. Vaporization: It is the process of change of state from liquid to vapour. while latent heat of vaporization is the amount of heat required to change phase from liquid to vapour at constant temperature.
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The difference in melting point can be attributed to the difference in the strength of intermolecular interactions between the metal atoms. stronger the forces,higher will be the melting points.
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Aqueous state: It refers to a solution where the solvent is water. So, NaCl dissolved in water is aqueous solution. Molten state: When an element or compound is melted, to achieve a liquid state, it is called molten. aqueous state is reached by hydrating the mixture in water or any other solvent.
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Types. Wax melters, such as melting tanks, are generally classified as either 'direct heating' or 'water jacket heating'. A third type is known as the convection melter.
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For most people, the difference between a solid and liquid is easy to discern—liquids move, they flow, they take the shape of whatever they are put in. Solids on the other hand, are rigid and don't slosh around.
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wrought alloys have poor ductility and cast alloys are usually heavily worked. c. cast alloys are melted down and poured into a mold; wrought alloys are usually heavily worked with uniform microstructure.
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Formation from Hot Material Many minerals start out in liquids that are hot enough to melt rocks. Magma is melted rock inside Earth, a molten mixture of substances that can be hotter than 1,000oC. Magma cools slowly inside Earth, which gives mineral crystals time to grow large enough to be seen clearly (Figure below).