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Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.
Q. Name the Law of Chemical Combination shown in the above passage:
- a)Law of definite proportion
- b)Law of Conservation of mass
- c)Dalton’s atomic theory
- d)None of these
Correct answer is option 'A'. Can you explain this answer?
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Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8....
According to this law, the elements are always present in definite proportion by mass in a chemical substance. All pure samples of a compound contain the same elements combined together in the same proportion by mass.
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Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8....
Law of Definite Proportion
The Law of Definite Proportion, also known as the Law of Constant Composition or Law of Definite Composition, states that a chemical compound always contains the same elements in the same proportion by mass.
Explanation:
- The given passage describes the combustion of carbon in oxygen to produce carbon dioxide.
- According to the passage, when 3.0 grams of carbon is burnt in 8.0 grams of oxygen, it produces 11.0 grams of carbon dioxide.
- The Law of Definite Proportion states that the mass ratio between the elements in a compound is always constant.
- In this case, the ratio of carbon to oxygen in carbon dioxide is always 3:8. This means that for every 3 grams of carbon, 8 grams of oxygen are required to produce 11 grams of carbon dioxide.
- The law implies that the composition of carbon dioxide will always be the same regardless of the amount of carbon and oxygen used in the reaction.
- For example, if we burn 6 grams of carbon, we would require 16 grams of oxygen to produce 22 grams of carbon dioxide. The ratio of carbon to oxygen is still 3:8, resulting in the same composition of carbon dioxide.
- This law is based on the understanding that elements combine in specific ratios to form compounds, and these ratios are constant.
Significance:
- The Law of Definite Proportion is a fundamental principle in chemistry and helps us understand the composition of compounds.
- It enables scientists to determine the chemical formula of a compound based on its elemental composition.
- This law also supports the atomic theory, which suggests that elements are made up of atoms and combine in fixed ratios to form compounds.
- Understanding the law allows chemists to predict and control chemical reactions, ensuring accurate synthesis and analysis of compounds.
- The law has applications in various fields, including stoichiometry, chemical synthesis, and analytical chemistry.
The Law of Definite Proportion, also known as the Law of Constant Composition or Law of Definite Composition, states that a chemical compound always contains the same elements in the same proportion by mass.
Explanation:
- The given passage describes the combustion of carbon in oxygen to produce carbon dioxide.
- According to the passage, when 3.0 grams of carbon is burnt in 8.0 grams of oxygen, it produces 11.0 grams of carbon dioxide.
- The Law of Definite Proportion states that the mass ratio between the elements in a compound is always constant.
- In this case, the ratio of carbon to oxygen in carbon dioxide is always 3:8. This means that for every 3 grams of carbon, 8 grams of oxygen are required to produce 11 grams of carbon dioxide.
- The law implies that the composition of carbon dioxide will always be the same regardless of the amount of carbon and oxygen used in the reaction.
- For example, if we burn 6 grams of carbon, we would require 16 grams of oxygen to produce 22 grams of carbon dioxide. The ratio of carbon to oxygen is still 3:8, resulting in the same composition of carbon dioxide.
- This law is based on the understanding that elements combine in specific ratios to form compounds, and these ratios are constant.
Significance:
- The Law of Definite Proportion is a fundamental principle in chemistry and helps us understand the composition of compounds.
- It enables scientists to determine the chemical formula of a compound based on its elemental composition.
- This law also supports the atomic theory, which suggests that elements are made up of atoms and combine in fixed ratios to form compounds.
- Understanding the law allows chemists to predict and control chemical reactions, ensuring accurate synthesis and analysis of compounds.
- The law has applications in various fields, including stoichiometry, chemical synthesis, and analytical chemistry.
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Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer?
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Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer?.
Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 9.
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Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Direction: Sanjana observed that when 3.0 gm of carbon is burnt in 8.0 gm of oxygen, 11.0 gm of carbon dioxide is produced. Based on the given information, answer the following questions.Q. Name the Law of Chemical Combination shown in the above passage:a)Law of definite proportionb)Law of Conservation of massc)Dalton’s atomic theoryd)None of theseCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Class 9 tests.
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