Le Chatelier’s Principle
Pressure and chemical equilibrium transfer According to Le Châtelier, if the pressure is increased, the position of equilibrium will move so that the pressure is reduced again. The system can reduce the…
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Chemistry Simulation
Movement of Gas Molecules and their Volume in Various Condition
The numerical values shown in this simulation are not absolute values and are intended to determine relative increase or decrease. Therefore, the unit is not displayed. Nature of gas Since the gas…
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Ionic Bond
Formation and energy of the ionic bonds Metal atoms have strong properties to lose electrons and become cations. On the contrary, non-metallic atoms have strong properties to obtain electrons and become anions.…
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Temperature and Reaction Rate
Heat and molecular motion Every object is made up of atoms or molecules that are small particles that can not be seen by the eye. These particles are constantly move or oscillate…
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Pascal’s Principle
Pascal’s Principle The Pascal’s principle is as follows. “Suppose a closed tube filled with uncompressed fluid. Then, the pressure of this tube’s inside is the same everywhere.” For example, If you press…
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Equilibrium Constants
You can click the particle with the mouse. Chemical equilibrium In a chemical reaction, chemical equilibrium is the state in which both reactants and products are present in concentrations which have no…
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Pressure and Pressing Area
Pressure is defined as force per unit area. It is usually more convenient to use pressure rather than force to describe the influences upon fluid behavior. The standard unit for pressure is…
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Neutralization Reaction Model
Reset NaOH KOH NH₄OH Ca(OH)₂ Ba(OH)₂ HCl HNO₃ H₂SO₄ H₂CO₃ Click on the substance and put it in the water tank. Neutralization Neutralization is a chemical reaction in which an acid and…
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Precipitation Reaction
Reset BaCl₂ CaCl₂ NaCl Na₂SO₄ Na₂CO₃ K₂SO₄ KNO₃ AgNO₃ Precipitation reaction is a type of reaction when two solutions react to form a insoluble solid (ionic salt) A lot of ionic compounds…
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Dissolution Process
Run Dissolving Dissolving means that the solute diffuses into the solvent and mixes. It is a common case that salt or sugar is dissolved in water. Solvents are often liquid, mostly water.…
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Ductile and Malleable Properties of Pure Metal
Reset Hit the metal plate with a hammer Ductile and malleable properties of metal When a force is applied to a metal, the layer of metal atoms is pushed to change the…
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