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The main role of LIMESTONE in the extraction of FE is to decomposes in hot furnace and form the CALCIUM oxide. IRON is extracted from its ore, haematite in BLAST furnace.

Topsoil is the upper, OUTERMOST layer of soil, usually the top 5–10 inches (13–25 CM). It has the highest concentration of organic matter and microorganisms and is where most of the Earth's biological soil activity OCCURS. Topsoil is composed of MINERAL PARTICLES, organic matter, water, and air.

When an ADDITION of a acid or the base happens in the pure water, then the concentration of the ionic product concentration of the pure water can be calculated by using ionic product constant equation ([H+][OH-] = Kw), where the value of KW is constant at specific temperature but the concentration of the H+ and OH- ...

For an ideal GAS, the product of PRESSURE and volume (PV) is a constant if the gas is KEPT at isothermal conditions. ... For many systems, if the temperature is held constant, the INTERNAL ENERGY of the system also is constant.Explanation:please mark me as brainliest

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This RELATIONSHIP between pressure and volume is known as Boyle's LAW, after its DISCOVERER, and can be stated as follows: At constant temperature, the volume of a fixed amount of a GAS is inversely proportional to its pressure.Explanation:pls mark as brainlist❤️

P is pressure measured in Pascals.V is the volume measured in m. ...n is the number of moles.R is the UNIVERSAL GAS constant measured in J/(K. mol)T is the TEMPERATURE measured in Kelvin.Explanation:HOPE this helps you

pv=nRTp=nRt/vv=nRt/pfor 1 MOLE pv=RT

noExplanation:CARBON fiber is not a great conductor of electricity compared to metal. In fact, most metals conduct electricity around 1000x as well as plain carbon fiber. Even when treated with other MATERIALS, carbon fiber is still not QUITE as good as metal when it comes to electricity CONDUCTION.

Diamonds and coal are different colors because coal isn't pure carbon. The stuff is LOADED with IMPURITIES: Hydrogen, sulfur, mercury, and more. ... This is where THINGS get complicated, because the differences between diamonds and carbon BLACK, or diamonds and graphite, happen at the molecular levelI hope it's HELPFUL to you ☺️

what property of molecule of real GASES is INDICATED by vanderwall's constant 'a' 'a' in the vander waals equation is a measure of the MAGNITUDE of the attractive forces present between the molecules of gases. The GREATER is the intermolecular forces, greater will the VALUE of a.Explanation:

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are HIGHLY COMPRESSIBLE because their molecules are FAR apart from each other. There are a lot of EMPTY spaces between the molecules. They can be easily compressed to a POINT where the intermolecular distance becomes minimum. this compressibility is lesser for liquids and least for solids2.Because a wooden chair is a solid and solids have least interparticle space between their molecules while in liquids they have less interparticle space between their molecules as compared to solids and solids have definite shape like a wooden chair but liquids have not.So a wooden chair is a solidmark brainliest please

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s complexes due to the presence of vacant d orbitals. These metals and their IONS easily coordinate with a number of negative ions or neutral MOLECULES having lone PAIRS of electrons to form a complex. Their tendency to form complexes is due to two reasons

The volume of a solid object can be measured in two ways:For regular-shaped objects : MEASURE the dimensions (length, WIDTH, and height).For irregular objects: Submerge the object in WATER and measure the volume of the displaced EXPLANATION:Hope my answer is correct, If yes pls mark me as BRAINLIEST

of WATER DECREASES with the INCREASE of TEMPERATURE.

Ionization, in chemistry and physics, any PROCESS by which electrically neutral atoms or molecules are converted to electrically charged atoms or molecules (ions). Ionization is one of the PRINCIPAL ways that radiation, such as charged PARTICLES and X rays, TRANSFERS its energy to matter.Explanation:

tion:Charles Boylehope it will help you please MAKE it BRAINLIEST answer

Another measure of the strength of an acid is its percent IONIZATION. The percent ionization of a weak acid is the ratio of the concentration of the ionized acid to the initial acid concentration, times 100: %ionization=[H3O+]eq[HA]0×100%Explanation:hope it HELPS uhh!!!:))))

You can observe a real-life APPLICATION of BOYLE's Law when you fill your bike tires with AIR. When you pump air into a tire, the gas molecules inside the tire GET compressed and packed closer together. This INCREASES the pressure of the gas, and it starts to push against the walls of the tire.

From GRAHAM's law, we can use the molar mass of each gas: rate of effusion of hydrogenrate of effusion of OXYGEN=√32g mol−1 √2g mol−1 =√16√1=41 rate of effusion of HYDROGEN rate of effusion of oxygen = 32 g mol − 1 2 g mol − 1 = 16 1 = 4 1 Hydrogen effuses four times as rapidly as oxygen.Explanation:HOPE it helps you...!

Graphite is a NON-flammable but can be burnt only in HIGH temperatures. graphite needs around 400 degrees to get burnt.it reduces when combined with air.it acts as a reducting agent.IT act as an explosive when COMBINES with air and dust.and residue is LEFT which is BLACK in colour and non toxic.PLZ mark me as brainliest.

In CASE of diamond, each outer shell ELECTRON of every carbon atom forms a covalent bond in a tetrahedral arrangement, THUS forming a RIGID STRUCTURE which means no free electron for charge transport. ... This delocalised electron can move move freely between the carbon layers of graphite and conduct electricity.

Diamond is HARDER than graphite because each of its CARBON atoms form four covalent BONDS in a tetrahedral structure and also due to the PRESENCE of strong covalent bonds in it. ... The carbon atoms in graphite appear to bond with WEAKER intermolecular forces, allowing the layers to move over one another.

0.075 is your ANSWER

K꜀, the REACTION will proceed in the direction of the reactants. IE., REVERSE reactionKnow more :-• If Q꜀ < K꜀, the reaction will proceed in the direction of the products. ie., forward reaction• If Q꜀ = K꜀, the reaction mixture is already at equilibrium• For a general reversible reaction :-AA + bB ⇌ cC + dDEquilibrium constant :- • For a general reaction :- aA + bB → cC + dDReaction quotient :-

Warm and wet climate Explanation:The suitable climate for growing JUTE is a warm and wet climate, which is offered by the monsoon climate during the fall season, IMMEDIATELY followed by summer. TEMPERATURES ranging to more than 25 °C and relative HUMIDITY of 70%–90% are favorable for SUCCESSFUL cultivation

Your answer is hereExplanation:If that CHANGES, then the NEUTRAL value for ph changes as WELL. At 100 C, the ph of PURE water is 6.14.

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There are three ways to increase the pressure:ADD more gas. More molecules MEAN more collisions. ...Decrease the VOLUME. Less SPACE means less room for the atoms to MOVE in and this will lead to more collisions and more pressure.Increase the temperature.

tion:In Ideal Gas LAW, there's gas constant R that we need to use in the formula PV=nRT. ... so R = PV/nT or we can SAY R EQUALS (pressure × VOLUME) / (amount of gas × temperature). We know that temperature can be in Celcuius , Fahrenheit and Kelvin. For pressure we use units like atm, kPa and mmHg (torr).answer provided by Gauthmath

To FIND the pH you need first to find the hydrogen ion CONCENTRATION (or hydroxonium ion concentration - it's the same thing). Then you CONVERT it to pH. But in pure WATER, the hydrogen ion (hydroxonium ion) concentration must be equal to the hydroxide ion concentration....T (°C) Kw (mol2 dm-6) pH100 51.3 X 10-14 6.14