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  1. K

    What is the relationship between activity and half-life?

    Activity and half-life are related concepts in the context of radioactive decay. Radioactive decay is the process by which unstable atomic nuclei transform into more stable configurations, often emitting radiation in the form of alpha particles, beta particles, or gamma rays. The terms...
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    What natural phenomenon promotes the formation of NO? Why?

    The natural phenomenon that promotes the formation of nitric oxide (NO) is lightning. Lightning is a powerful electrical discharge that occurs during thunderstorms. It plays a significant role in the production of nitric oxide in the atmosphere. This phenomenon is known as "lightning-induced NOx...
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    Out of N2 and H2 gases which one will behave more ideally and why?

    It's important to note that no real gas behaves ideally under all conditions. Deviations from ideal behavior become more significant at high pressures and low temperatures. Hydrogen gas (H2) is generally closer to ideal behavior than nitrogen gas (N2) due to its smaller size, weaker...
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    What is the speed of the electromagnetic waves in vacuum?

    The speed of electromagnetic waves in vacuum, often denoted as "c," is approximately 299,792,458 meters per second (or about 300,000 kilometers per second). This speed is often rounded to 3×10^8 meters per second for convenience. This speed is a fundamental constant of nature and is the same for...
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    What is the difference between angular position and angular fringe width?

    Angular position and angular fringe width are concepts often encountered in the study of wave phenomena, particularly in the context of interference and diffraction patterns produced by waves. Let's clarify each term: 1. Angular Position: Angular position refers to the location of a point or a...
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    Pressure on the surface of a gas is increased. What will happen to the inter particle forces?

    When the pressure on the surface of a gas is increased, the inter-particle forces between gas molecules themselves do not change directly due to the increase in pressure. Pressure is the result of gas molecules colliding with the walls of their container, and an increase in pressure indicates...
  7. K

    What is the difference between positive electrode potential and negative electrode potential?

    Positive electrode potential and negative electrode potential are terms used in electrochemistry to describe the electrical potential (voltage) of electrodes in an electrochemical cell. These terms are often referred to in the context of standard electrode potentials and cell potentials...
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    What is the difference between chemical symbols and atomic symbols? and what are the functions for each? Explain with example?

    Chemical symbols and atomic symbols are closely related terms used in chemistry to represent elements and their atomic properties. However, they refer to slightly different concepts. Atomic Symbols: An atomic symbol is a one or two-letter abbreviation used to represent a chemical element. Each...
  9. K

    Are fibers natural or artificial or synthetic or all?

    Fibers can be categorized into three main types: natural fibers, artificial fibers, and synthetic fibers. Natural Fibers: These fibers are obtained from natural sources and are not chemically modified. Examples of natural fibers include cotton, wool, silk, jute, hemp, and flax. These fibers are...
  10. K

    What is the order of dipole moment in CH3F, CH3Cl, CH3Br and CH3I?

    the order of dipole moment from highest to lowest is: CH3F > CH3Cl > CH3Br > CH3Ithe order of dipole moment from highest to lowest is: CH3F > CH3Cl > CH3Br > CH3I
  11. K

    List of all chemical reagents used in inorganic chemistry with function and uses?

    Inorganic chemistry involves the study of inorganic compounds and elements. There are numerous chemical reagents used in inorganic chemistry for various purposes. Below is a list of some commonly used chemical reagents along with their functions and uses: Hydrochloric acid (HCl): Function...
  12. K

    Why the loan pairs of phosphorus are stereochemically inactive?

    The lone pairs of electrons on an atom, including phosphorus, are often referred to as "nonbonding" or "nonbonded" electron pairs. These lone pairs are called stereochemically inactive because they do not participate in the formation of covalent bonds or the overall three-dimensional arrangement...
  13. K

    A body moves with 2m/s2 acceleration after starting from rest. The distance covered in the 5th second is?

    d = ut + (1/2)at^2 Where: d = displacement (distance covered) u = initial velocity (starting from rest, u = 0 m/s) a = acceleration (2 m/s^2) t = time interval (1 seconds(5th second)) Let's calculate the distance covered in the 4 seconds: d = 0 + (1/2) * 2 * (4)^2 d = 0 + (1/2) * 2 * 16 d = 0 +...
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    Can you have a triangle with all three angles less than 60°?

    No, it is not possible to have a triangle with all three angles less than 60 degrees. In any triangle, the sum of all three interior angles is always 180 degrees. if we assume that the three angles are A, B, and C (all less than 60 degrees), then A + B + C < 60 + 60 + 60 = 180 degrees, which is...
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    How many numbers can be formed less than 30000 can be formed by using 0,1,2,3,4,5?

    Numbers with 1 digit: There are 6 single-digit numbers (0, 1, 2, 3, 4, 5) less than 30000. Numbers with 2 digits: There are 5 choices for the first digit (1, 2, 3, 4, 5) and 6 choices for the second digit (0, 1, 2, 3, 4, 5). So, there are 5 * 6 = 30 two-digit numbers less than 30000. Numbers...
  16. K

    Iron corrodes faster than aluminum even though iron is placed below aluminum in the electro chemical series. Why?

    Iron corrodes faster than aluminum despite being below aluminum in the Electrochemical series due to the formation of a protective oxide layer on aluminum (Al2O3) that slows down corrosion. In contrast, the oxide layer on iron (Fe2O3 or rust) is porous and allows water and oxygen to penetrate...
  17. K

    If vector a + vector b=(5,6) and vector a - vector b =(3,2), find vector a and vector b.

    Let's assume vector a = (a1, a2) and vector b = (b1, b2). Given: vector a + vector b = (5, 6) -- (Equation 1) vector a - vector b = (3, 2) -- (Equation 2) Adding Equation 1 and Equation 2, we get: 2 * vector a = (5, 6) + (3, 2) 2 * vector a = (8, 8) vector a = (4, 4) Subtracting Equation 2...
  18. K

    What is the integration of cosx + sinx?

    ∫(cos(x) + sin(x)) dx = ∫cos(x) dx + ∫sin(x) dx The integral of cos(x) is sin(x), and the integral of sin(x) is -cos(x). Applying these results, we have: ∫(cos(x) + sin(x)) dx = sin(x) - cos(x) + C
  19. K

    Find the particular solution of the equation: e^xdy/dx=4 given that y=3 when x=0?

    Let's start by separating the variables: dy = (4 / e^x) dx Now, we can integrate both sides of the equation: ∫ dy = ∫ (4 / e^x) dx Integrating, we get: y = ∫ (4 / e^x) dx To integrate 4 / e^x, we can use the fact that the integral of e^x is e^x: y = -4e^(-x) + C Now, we can apply the initial...