Answer: It states that “A chemical compound is always found to be made up of the same elements combined together in the same fixed proportion by mass”. For example, a sample of pure water from various sources or any country is always made up of only hydrogen and oxygen.
The laws of chemical composition are a set of fundamental principles that describe how elements combine to form compounds. There are five basic laws of chemical combination for elements and compounds :
1. Law of conservation of mass: This law states that the total mass of the reactants in a chemical reaction is equal to the total mass of the products.
2. Law of definite proportions: This law states that a given compound always contains the same elements in the same proportion by mass.
3. Law of multiple proportions: This law states that when two elements combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element are in a ratio of small whole numbers.
4. Gay-Lussac's law of gaseous volumes: This law states that when gases react, they do so in volumes that are in a ratio of small whole numbers.
5. Avogadro's law of chemical combination: This law states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
These laws are essential to understanding the behavior of matter and the reactions that occur between different substances. They provide a framework for predicting the outcome of chemical reactions and for designing new compounds with specific properties.
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Answer: It states that “A chemical compound is always found to be made up of the same elements combined together in the same fixed proportion by mass”. For example, a sample of pure water from various sources or any country is always made up of only hydrogen and oxygen.
Answer:
The laws of chemical composition are a set of fundamental principles that describe how elements combine to form compounds. There are five basic laws of chemical combination for elements and compounds :
1. Law of conservation of mass: This law states that the total mass of the reactants in a chemical reaction is equal to the total mass of the products.
2. Law of definite proportions: This law states that a given compound always contains the same elements in the same proportion by mass.
3. Law of multiple proportions: This law states that when two elements combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element are in a ratio of small whole numbers.
4. Gay-Lussac's law of gaseous volumes: This law states that when gases react, they do so in volumes that are in a ratio of small whole numbers.
5. Avogadro's law of chemical combination: This law states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
These laws are essential to understanding the behavior of matter and the reactions that occur between different substances. They provide a framework for predicting the outcome of chemical reactions and for designing new compounds with specific properties.
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