Stoichiometric Calculations worksheet
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Category: STD11
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Half angle formula in Trigonometry
The half-angle formulas in trigonometry are useful for expressing trigonometric functions of half an angle in terms of functions of the full angle. These are especially helpful in integration and in solving trigonometric equations. Here are the standard half-angle identities: 1. Sine Half-Angle Formula 2. Cosine Half-Angle Formula 3. Tangent Half-Angle Formula 
The ±…
Trigonometry – Level-2
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Atomic Physics
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Motion in a Straight Line
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Saitech – A Legacy of Excellence in STEM Education
Dr. E. Ramanathan has been a dedicated educator in the field of private coaching for Medical and Engineering aspirants since 1987. With an impressive track record spanning 38 years, he has nurtured and guided numerous students towards successful careers in medicine, engineering, and other STEM professions. His students, including Kowsigan, Vikram, Sanjay, Amritha, Kishore, Harish,…
Bohr’s Hydrogen Spectrum
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Accuracy and Precision
Accuracy and Precision are two important concepts often used in scientific measurements and dataanalysis. They describe the quality and reliability of measurements but are distinct in their meanings. Accuracy Definition: Accuracy refers to how close a measured value is to the true or accepted value. Itindicates the correctness of a measurement.Example: If the true length…
Most Frequently Asked 3 Marks Questions in STD 11 CBSE Chemistry Examinations
Chapter-wise Most Frequently Asked 3 Marks Questions in STD 11 Chemistry (NCERT) 1. Some Basic Concepts of Chemistry 2. Structure of Atom 3. Classification of Elements and Periodicity in Properties 4. Chemical Bonding and Molecular Structure 5. States of Matter 6. Thermodynamics 7. Equilibrium 8. The Redox Reactions 9. The Hydrogen 10. The s-Block Elements…
Redox Reactions
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Molecular Formula Drill
Dr E. Ramanathan PhD The molecular formula of a compound represents the exact number and type of atoms present in a molecule of the compound. It is derived from the empirical formula by determining the actual number of atoms of each element in the molecule, based on its molar mass. Here is a list of…
