Accuracy and precision
Accuracy and precision- source: mathsis fun.com Accuracy and precision- Accuracy- Accuracy means the closeness of an experimental value or the…
Scientific notation
Scientific notation- Scientific notation- A better and simplified way to represent very large or very small values is called scientific…
Significant figures
Significant figures- Significant figures- "The significant figures of a number are digits that carry meaningful contributions to its measurement resolution."…
Significant figures calculation
Significant figures Calculations involving Significant figures- Rule 1- When addition & subtraction of digits is carried out, the result…
Rounding off the Numbers
Rounding off the Numbers Rounding off the Numbers- Round to the Nearest Hundred Ex- 1650 i) Identify the hundreds…
Classification of matter
Classification of matter- Classification of matter- MATTER- It occupies space & possesses mass, it can exist in three physical…
Rank the following atoms and molecules based on which would effuse the fastest. i) H2 ii) He iii) N2 iv) CO2 v) H2S
Question - Rank the following atoms and molecules based on which would effuse the fastest. i) H2 ii) He iii)…
Kohlrausch law- Applications
Kohlrausch law- source : slideplayer.com Applications of Kohlrausch law- 1) Calculation of degree of ionisation and ionisation constant- Degree of…
Find the solubility of MnS in neutral water in gm/l .Ksp of MnS = 2.6 x 10-14
Find the solubility of MnS in neutral water in gm/l ? Ksp of MnS = 2.6 x 10-14. Solution -…
If the initial concentration of cyclopropane is 0.0501 M. What will the cyclopropane concentration after 352minutes.The reaction is first order. Rate constant = 3.36 x 10-5 sec-1.
Question - If the initial concentration of cyclopropane is 0.0501 M. What will the cyclopropane concentration after 352 minutes. The…