Chemistry

Alaska Career College

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Class XI Chapter 1 – Some Basic Concepts of Chemistry, XI Chem Ch1 Some Basic Concepts Of Chemistry & 1.SOME BASIC CONCEPTS OF CHEMISTRY. Package deal solution 2023 updated
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October 2023
Calculate the molecular mass of the following: (i) H2O (ii) CO2 (iii) CH4 Answer H2O: The molecular mass of water, H2O = (2 × Atomic mass of hydrogen) + (1 × Atomic mass of oxygen) = [2(1.0084) + 1(16.00 u)] = 2.016 u + 16.00 u = 18.016 = 18.02 u CO2: The molecular mass of carbon dioxide, CO2 = (1 × Atomic mass of carbon) + (2 × A
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Exam (elaborations)

1.SOME BASIC CONCEPTS OF CHEMISTRY
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October 2023

2023/2024

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ENJOY CHEMISTRY 1.SOME BASIC CONCEPTS OF CHEMISTRY Some Important Points and Terms of the Chapter 1. Anything which has mass and occupies space is called matter. 2. Matters exist in three physical states viz. solid, liquid and gas. 3. In solids, these particles are held very close to each other in an orderly fashion and there is not much freedom of movement. In liquids, the particles are close to each other but they can move around. However, in gases, the particles are far apart as ...
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