Chemistry 化学 화학 Kimia الكيمياء Химия เคมีภัณฑ์
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Molar ratio in the chemical equation
We can use molar ratio in the chemical equation to determine the masses and/or volumes of reactants and products, and the concentrations of reactants and products for reactions occurring in […]
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A balanced chemical equation
The purpose to balance a chemical equation is for mass conservation. The total mass of reactants should be equal to the total mass of products. In another words, the number […]
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Structure 1.1.2
The kinetic molecular theory is a model to explain physical properties of matter (solids, liquids and gases) and changes of state. Distinguish the different states of matter. Use state symbols […]
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Structure 1.1.1
Elements are the primary constituents of matter, which cannot be chemically broken down into simpler substances. Compounds consist of atoms of different elements chemically bonded together in a fixed ratio. […]
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