chemistry class 11 and 12 formula sheet pdf

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What are the basic formulas in chemistry?
Some of the basic chemistry formulas are NH₃ (Ammonia), CO₂ (Carbon dioxide), CH₄ (Methane), SO₂ (Sulfur dioxide).
Formulas of chemical compounds can be classified into: Molecular formula.
Empirical formula and.
What is a Class 10 chemical formula?
The chemical formula of a compound is a symbolic representation of its chemical composition.
Chemical formulae provide insight into the elements that constitute the molecules of a compound and also the ratio in which the atoms of these elements combine to form such molecules.
What is the important chemistry formula for NEET?
NEET Chemistry Formula
Here are some important NEET Chemistry formulas: Ideal Gas Law: $PV = nRT$ Boyle's Law: $PV = k$ (constant at constant temperature) Charles's Law: $\\dfrac{V}{T} = k$ (constant at constant pressure)
Compounds and Their Uses
Compounds and Their Uses
Calcium Carbonate.
Formula: CaCO3 Sodium Chloride.
Formula: NaCl. Methane.
Formula: CH4 Aspirin.
Formula: C9H8O4 Potassium Tartrate.
Formula: K2C4H4O6 Baking soda.
Formula: NaHCO3 Acetaminophen.
Formula: C8H9NO2 Acetic Acid.
Formula: C2H4O2

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PDF	Physics Formula Sheet.pdf = 6.673 × 10−11. 2. 2. = 6.02 × 1023. = 1.38 × 10−23 / . = 8.31. . ⋅ . ⁄. = 5.67 × 10−8 0 = 8.85 × 10−12 2/( ...

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PDF	HYDROCARBONS of different classes of organic compounds in. Unit 12. Nomenclature and isomerism in alkanes can further be understood with the help of a few more examples.

PDF	Class: XI Subject: CHEMISTRY NO. OF PERIO D TOPIC SUB-TOPIC CHEMISTRY. Chemical formulae. Work sheet on chemical formulae Learners will be able to calculate the empirical formula ... problems 12:11 to 12:19.

PDF	Formulae For ELECTROCHEMISTRY 11. ?. ? m. Specific conductance. = = Molarity. C. 12. ?. ? m x1000. = C. Remember: Unit of ?m in above formula is Scm2mol-1.

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A formula sheet for Chemistry Class 11 and 12 serves as a handy reference guide for students, providing essential formulas and equations needed for various topics in chemistry.

Examples

1. Calculation of molar mass for a compound such as H2O (water).
2. Determination of the number of moles in a given mass of a substance.
3. Balancing chemical equations like H2 + O2 → H2O.
4. Calculation of pH in a solution using the formula pH = -log[H+].
5. Application of the Ideal Gas Law equation, PV = nRT, to solve for different variables.

Exercises

Calculate the molar mass of CO2 (carbon dioxide).
Balance the following chemical equation: HCl + NaOH → NaCl + H2O.
Calculate the number of moles present in 50 grams of NaCl (sodium chloride).
Determine the pH of a solution with a hydrogen ion concentration of 1.0 x 10^-3 M.
Using the Ideal Gas Law, calculate the pressure of 0.5 moles of gas in a 10-liter container at 25°C.

Case Studies

1. Analysis of chemical reactions involved in the process of rusting of iron.

2. Investigation of the chemical composition of common household acids and bases.

3. Examination of the role of catalysts in speeding up chemical reactions, using the decomposition of hydrogen peroxide as an example.

Multiple Choice Questions

What is the formula for calculating molar mass?

Answer: Molar mass = Mass of compound / Moles of compound.

Which law describes the behavior of ideal gases?

Answer: Ideal Gas Law, PV = nRT.

What does the pH scale measure?

Answer: pH scale measures the acidity or basicity of a solution.

What is the product of the reaction between HCl and NaOH?

Answer: The product is NaCl (sodium chloride) and H2O (water).

Which factor does not affect the rate of a chemical reaction?

Answer: The volume of the reactants.

Notes

1. Always ensure units are consistent when performing calculations in chemistry.
2. Understand the principles behind each formula to apply them correctly in different scenarios.
3. Practice regularly to become proficient in using formulas and solving problems efficiently.
4. Seek clarification from teachers or peers if any concepts or formulas are unclear.

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