Which postulates of Dalton’s atomic theory is the basis of the l...
The postulate that “atoms can neither be created nor destroyed in a chemical reaction” is the result of the law of conservation of mass.
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Which postulates of Dalton’s atomic theory is the basis of the l...
The Dalton’s postulates that Atoms can neither be created nor destroyed are the basis of law of conservation of masses.
Which postulates of Dalton’s atomic theory is the basis of the l...
Understanding the Law of Conservation of Mass
The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction. This fundamental principle is rooted in Dalton's atomic theory, particularly the following postulate:
Atoms Cannot Be Created or Destroyed
- Key Postulate: Dalton proposed that atoms are indivisible and indestructible.
- Implication: Since atoms cannot be created or destroyed, the total mass of reactants in a chemical reaction must equal the total mass of products. This means that during any chemical reaction, the matter is conserved.
Connection to Dalton's Atomic Theory
- Foundation of Chemistry: Dalton's theory laid the groundwork for modern chemistry by introducing the concept that all matter is composed of atoms.
- Atomic Rearrangement: In a chemical reaction, atoms are merely rearranged to form new substances, but their total number and mass remain constant.
Importance of This Postulate
- Experimental Evidence: Numerous experiments have confirmed that the mass of substances before and after a reaction remains unchanged, reinforcing this postulate.
- Chemical Equations: Chemical equations reflect this concept, showcasing that the mass of reactants equals the mass of products.
Conclusion
The postulate that "atoms can neither be created nor destroyed" is crucial for the law of conservation of mass. It emphasizes that matter is conserved in chemical reactions, providing a basis for understanding chemical processes in a systematic and logical manner.
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