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ressure Depression Physical properties can be divided into two categories. Extensive properties (such as mass and volume) depend on the size of the sample. Intensive properties (such as density and CONCENTRATION) are characteristic properties of the substance; they do not depend on the size of the sample being STUDIED. This section introduces a third category that is a subset of the intensive properties of a system. This third category, known as colligative properties, can only be applied to solutions. By definition, one of the properties of a solution is a colligative property if it depends only on the ratio of the number of particles of SOLUTE and solvent in the solution, not the identity of the solute. Very few of the physical properties of a solution are colligative properties. As an example of this limited set of physical properties, let's consider what happens to the vapor pressure of the solvent when we add a solute to form a solution. We'll define Po as the vapor pressure of the PURE LIQUID -- the solvent -- and P as the vapor pressure of the solvent after a solute has been added. Po = vapor pressure of the pure liquid, or solvent P = vapor pressure of the solvent in a solution When the temperature of a liquid is below its boiling point, we can assume that the only molecules that can escape from the liquid to form a gas are those that lie near the surface of the liquid. When a solute is added to the solvent, some of the solute molecules occupy the space near the surface of the liquid, as shown in the figure below. When a solute is dissolved in a solvent, the number of solvent molecules near the surface decreases, and the vapor pressure of the solvent decreases. graphic This has no effect on the rate at which solvent molecules in the gas phase condense to form a liquid. But it decreases the rate at which the solvent molecules in the liquid can escape into the gas phase. As a result, the vapor pressure of the solvent escaping from a solution should be smaller than the vapor pressure of the pure solvent.

istry, conformational isomerism is a form of stereoisomerism in which the isomers can be interconverted exclusively by rotations about FORMALLY single bonds (refer to figure on single bond rotation). Such isomers are generally referred to as conformational isomers or conformers and, SPECIFICALLY, as 'rotamers'. Mark me as BRAINLIEST.....

in 500 cm. 3 of SOLUTION? m(Hg2SO4) 2. 4. SO ] = S(0.001 + S) ≅ 0.001S 2+ can be DISSOLVED in 1000 ml (1.00 L) solution I hope this will help youIf not then comment me

ocess is ROASTING for EXAMPLE ZnS+O2-ZnO+SO2hope it HELPS

neyl, HEPTANE

anal2) CYCLOHEXANE carbaldehyde

udentPlease FIND below the SOLUTION to the asked query:If there is not enough acid in the mixture,  the diazo compound does not form, and the DIAZOTIZATION reaction to form azo  DYES does not take place. So to keep the process continuing, excess mineral acid is ADDED. RC6H4N=NOH + H+  →  RC6H4N2 ++H2OHope this information will clear your doubts regarding the topic.If you have any other doubts please ask here on the forum and our experts will try to solve them as soon as possible.Regards

c acid REACTS with HYDROGENCARBONATES and CARBONATES while ethanol does not

und water that is present near to the Earth is polluted and the REASON for this the seepage of pollutants like pesticide , chemical,INSECTICIDES and fertilizer more and more people WASH clothes and THROW garbage and the industry release waste WITHOUT testing it

a : SODIUM ACETATE

e^{-lambda t} or A=A_{0}e^{-lambda t} - WHEREIN NUMBER of nucleor activity at a time is exponentional FUNCTION

qual sharing of electrons GIVES the water molecule a slight negative charge near its OXYGEN ATOM and a slight positive charge near its hydrogen ATOMS. When a NEUTRAL molecule has a positive area at one end and a negative area at the other, it is a polar molecule.

tes and sulphide ore are usually converted into oxides during the process of extraction because it is EASY to extract metal from its OXIDE ore by reduction REACTION when compared to carbonate or sulphide ore. Obtaining a metal from its oxide is much easier than doing that from a metal sulphide and carbonate.Oct 15, 2017

that the 4s orbitals have a LOWER ENERGY than the 3d, and so the 4s orbitals are filled first. We know that the 4s electrons are lost first during ionization. The electrons lost first will COME from the highest energy LEVEL, FURTHEST from the influence of the nucleus

ecules, called butane and isobutane, are constitutional isomers. They are different MOLECULES with different chemical and physical PROPERTIES. Butane has its FOUR carbon atoms bonded in a continuous chain. Isobutane has a branched structure.

77.89 is the CORRECT answerhole it HELPS FRIEND

agated by OSCILLATING ELECTRIC field and magnetic field at right angles to each other.2) TRANSVERSE WAVES and do not need a medium to propagate.3) Can be polarized when passed through thin films called polarizers.4) Shows interference and DIFFRACTION patterns.#Be Brainly❤️

做 住在旅途中 住在旅途中说

gnetically transferred momentum in a BATCH or continuous FLOW REACTOR.

mafuta ane SIMBA zvakadai seuranium inotora neutron inotama-inotama, inova ISINA kugadzikana, uye inoparadzanisa ("fissions") muatomu maviri maduku ("FISSION PRODUCTS"). ... Neutron yekusununguka imitte

this extra STABLE electronic configuration, it is difficult to remove an electron from the VALENCE shell of nitrogen (or any other Group 15 element) and THUS more ENERGY is required. Thus ionization ENTHALPY of nitrogen is higher than oxygen.

us is the center of an atom, where the subatomic particles are. All atoms are made of THREE subatomic ("smaller than an atom") particles: neutrons, protons, and electrons. The neutrons and protons are in the nucleus, and they give an atom most of its mass, and positive charge. The electrons are negatively charged, and surround the nucleus to balance the charge, but there is a HUGE empty space between the nucleus and the electrons. The nucleus is so small compared to the volume that electrons take up over 99% of atoms are empty space, but somehow everything feels pretty solid! (electrons MOVE around inside a large volume that we call the atom, but each electron is very small if you treat it like a PARTICLE. You'll learn later you can treat it like a wave, but don't worry about that yet.)please mark as BRAINLIEST if you feel like:)

ON GOOGLE YOU WILLL FIND IT

they are highly REACTIVE with airso they are stored in oil/ kerosenehope it helpspls mark it as BRAINLIEST and follow me if it HELPS

rolysis of molten lead bromide is considered to be a redox REACTION. During electrolysis of molten lead bromide lead gets oxidised and BROMINE gets reduced. Thus both oxidation and reduction occur simultaneously. So it is a redox reaction.2 Copper is good conductor of electricity but is considered to benon-electrolyte. Ans. Copper being a metal CONTAINS free electrons and conduction of electricity is carried out by the movement of free electrons, but copper does not dissociate into ions and hence, is anon-electrolyte.3 ACETIC acid is a weak acid and has fewer number ions so conductivity isless whereas DILUTE Sulphuric acid is a strong acid has more number of ions and therefore its electrical conductivity is more. Electrolysis of molten lead bromide is considered to be a redox reaction.hope it helps you

k of reactivity of the group 18 elements is so firmly established in the collective MIND of the MASSES, the recognition of NEW noble gases brings in a LOT of excitement. The group 18 elements are called as inert gases, rare gases and also noble gases. The members of group 18 in the modern periodic table are:Helium (He)Neon (Ne)Argon (Ar)Krypton (Kr)Xenon (Xe)Radon (Rn)Hope it helps you ☺☺☺

d.As first THREE CONTAINS only ONE state of matter.But option d only has all three STATES together.Hope it helps

e complexes, CO behaves as LIGAND and DONATES electrons to EMPTY orbitals of metal atom to form sigma bond. Synergic bond is a bond between a Carbonyl GROUP acting as a ligand and a metal. Synergic bonding means self-strengthening bond. It is formed by Pi-acid ligands like CO.

olecules simply vibrate and rotate in place rather than move about. Solids are GENERALLY held together by IONIC or strong covalent bonding, and the attractive forces between the atoms, ions, or molecules in solids are very strong. ... There are two main categories of solids—crystalline solids and amorphous solids. Crystalline solids are those in which the atoms, ions, or molecules that MAKE up the solid exist in a regular, well-defined arrangement. The smallest repeating pattern of crystalline solids is known as the unit cell, and unit cells are like bricks in a wall—they are all identical and repeating. The other main type of solids are called the amorphous solids. Amorphous solids do not have much order in their structures. THOUGH their molecules are close together and have little freedom to move, they are not arranged in a regular order as are those in crystalline solids. Common examples of this type of solid are glass and plastics. There are four types of crystalline solids: Ionic solids—Made up of positive and negative ions and held together by electrostatic attractions. They’re characterized by very high melting points and brittleness and are poor conductors in the solid state. An example of an ionic solid is table salt, NaCl. Molecular solids—Made up of atoms or molecules held together by London dispersion forces, dipole-dipole forces, or hydrogen BONDS. Characterized by low melting points and flexibility and are poor conductors. An example of a molecular solid is sucrose. Covalent-network (also called atomic) solids—Made up of atoms connected by covalent bonds; the intermolecular forces are covalent bonds as well. Characterized as being very hard with very high melting points and being poor conductors. Examples of this type of solid are diamond and graphite, and the fullerenes. As you can see below, graphite has only 2-D hexagonal structure and therefore is not hard like diamond. The sheets of graphite are held together by only weak London forces!

n Configurations Section 5.3   2  Objectives Apply the Pauli Exclusion Principle, the Aufbau Principle, and Hund’s RULE to write electron configurations using orbital diagrams and electron CONFIGURATION NOTATION. Apply the Pauli Exclusion Principle, the Aufbau Principle, and Hund’s Rule to write electron configurations using orbital diagrams and electron configuration notation. Define valence electrons and draw electron-dot structures representing an atom’s valence electrons. Define valence electrons and draw electron-dot structures representing an atom’s valence electrons.   3  Electron configuration: the ARRANGEMENT of electrons in an atom Electrons tend to assume an arrangement that gives the atom the lowest possible energy. Why? Electrons tend to assume an arrangement that gives the atom the lowest possible energy. Why? This arrangement is the ground-state electron configuration. This arrangement is the ground-state electron configuration. Three (3) rules define how electrons can be arranged in an atom’s ORBITALS. Three (3) rules define how electrons can be arranged in an atom’s orbitals.   4  Rule #1 The Aufbau Principle states that each electron occupies the lowest energy orbital available. The Aufbau Principle states that each electron occupies the lowest energy orbital available. An aufbau diagram show the sequence of orbitals from lowest to highest energy. An aufbau diagram show the sequence of orbitals from lowest to highest energy.

ere's your answer....SODIUM Sulphate reacts with Barium Chloride to form Sodium Chloride which is an AQUEOUS solution and Barium Sulphate which is solid.Barium Sulphate is a white CRYSTALLINE solid.It is insoluble in water.Thus it FORMED as the precipitate in the Sodium Chloride solution.The equation for the reaction is :Na₂SO₄ (AQ) + BaCl₂ (aq) -------> 2 NaCl (aq) + BaSO₄(s) ( white precipitate) Thanks...!!!XDSorry baby 'wink'

bacl=nacl +BASO4

od DAY at WORK and you can do it for free at all and I don't know what to do with it and it will be there at the same TIME I was just wondering

berg UNCERTAINTY PRINCIPLE states that is fundamentally IMPOSSIBLE to know precisely both the velocity and POSITION of a particle at the same time. From the GIVEN, "

rmine: The uncertainty in locating the POSITION of an electron Given Data : Speed of Electron = 500 m/s, Uncertainty in Speed = 0.02% Formulas to be used: 1) Heisenberg uncertainty principle: Where = uncertainty in position = uncertainty in momentum Planck's constant, h\quad 2) For CALCULATING \Delta p Where m is the mass of electron = uncertainty in speed Calculation: Step 1: Determine Step 2: CALCULATE We KNOW that, Substituting the values of m and   (OBTAINED from step 1), we get Step 3: Apply Heisenberg uncertainty principle Hence,

e!Here's your ANSWER!(i) Cl^- and (II) Ca^2+ are iso-electronic SINCE they have the same number of ELECTRONS. HOPE it helps :)