Heat Capacity
Reset Run Heat capacity ‘Heat capacity’ is the amount of heat (heat energy) that must be applied to raise the temperature of an object by 1℃. The heat capacity is obtained by…
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Chemistry
Specific Heat
Reset Run Specific heat ‘Specific heat’ is the amount of heat required to raise the temperature of 1 kg of a substance by 1 ° C. The unit is kcal / (kg…
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Electrolysis of Water
Run Electrolysis of Water To electrolyze water, a dilute aqueous NaOH solution is used as an electrolyte and a carbon or platinum rod is used as an electrode. When water is electrolyzed,…
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Graph of Charle’s Law
Zoom Charle’s Law In 1787, French scientist Charles (1746-1823) found that the temperature and volume of a gas were proportional. Whenever the temperature of the gas increases by 1 ° C, it…
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Electric Plating
Run Electric Plating Electroplating is a technique of depositing a thin film of another metal on the surface of a metal. (-) electrode is connected to the object to be plated, (+)…
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Chemical Cell (Voltaic Cell, Daniel Cell)
Run Electric production before Voltaic Cell Before a chemical cell, such as a battery, there was only one way of knowing how to produce electricity. It is rubbing amber, glass, or metal.…
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Conduction
Reset Run Conduction When a high temperature object and a low temperature object are stuck together, the heat of a high temperature object moves to a low place by molecular motion. In…
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Avogadro’s Law
Avogadro’s Law The Italian scientist Avogadro (1776-1856) introduced a molecular concept to explain the reaction between gases. According to his theory, when the temperature and pressure are the same, the volume of…
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Addition Polymerization
* This is a web page using WebGL technology and do not work in Internet explorer. Addition Polymerization It is a reaction that forms a polymer compound while opening a double bond…
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Vapor Pressure Lowering
Reset Run Same volume of sugar water and distilled water are in the same cup. Which solution evaporates faster? Vapor Pressure Lowering In sugar solutions, electrical attraction acts between sugar molecules and…
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Otto Cycle at Gasoline Engines
Heat engine A heat engine is a machine that operates by moving energy from a hot space to a cold space. In this process, the heat engine converts some of the heat…
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Ion Exchange Resin
Reset Run Magic to turn hard water into soft water Soap does not dissolve well in hard water. On the other hand, soap is well solved in soft water. This is because…
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