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Isotonic literally means 'same tension,' where 'iso'- means 'the same' and 'tonic' refers to 'tension or force' - in this case, in the muscle. In an isotonic CONTRACTION, tension DEVELOPS to a point and then remains constant while the muscle changes its length. In other words, motor units are ACTIVATED to develop the necessary tension in the muscle. We utilize isotonic contractions when we MOVE our limbs.

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he chloralkali process (also chlor-alkali and chlor alkali) is an industrial process for the electrolysis of sodium chloride. It is the technology used to produce chlorine and sodium hydroxide (lye/caustic soda),[1] which are commodity chemicals required by industry. 35 million tons of chlorine were prepared by this process in 1987.[2] Industrial scale production BEGAN in 1892.

Usually the process is conducted on a brine (an aqueous solution of NaCl), in which case NaOH, hydrogen, and chlorine result. When using calcium chloride or potassium chloride, the products contain calcium or potassium instead of sodium. Related processes are known that use molten NaCl to give chlorine and sodium metal or condensed hydrogen chloride to give hydrogen and chlorine.

The process has a HIGH energy consumption, for example over 4 billion KWH per year in WEST Germany in 1985.[3] Because the process gives equivalent amounts of chlorine and sodium hydroxide (two moles of sodium hydroxide per mole of chlorine), it is necessary to find a use for these products in the same proportion. For every mole of chlorine produced, one mole of hydrogen is produced. Much of this hydrogen is used to produce hydrochloric acid or ammonia, or is used in the hydrogenation of organic compounds.

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Any odd degree POLYNOMIAL with real COEFFICIENTS has at least one real ROOT. In what follows, I ..... Oops - nice answer to the wrong QUESTION. 1 .... So necessary CONDITIONS are.

Flashgun is used by the PHOTOGRAPHERS to produce a FLASH of artificial light at a given temperature. It is attached to a HOT shoe so that it AUTOMATICALLY fire when the picture is taken.

Xenon is used in the flashgun using which the electricity of high voltage is discharged to GENERATE an electrical arc that creates a short flash of light.

ACETIC acid


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3 x 32 GRAMS of Sulphur is present in 1 mole of Al₂(SO₄)₃

So, 3.2 grams of Sulphur is present in ¹/₃₀ moles of Al₂(SO₄)₃

We, know each mole of Al₂(SO₄)₃ contains 2 moles of Al

So ¹/₃₀ moles of Al₂(SO₄)₃ contains ¹/₁₅ moles of Al

Mass of ¹/₁₅ moles of Al = 27 x ¹/₁₅ = 1.8 grams

Therefore, mass of Al in the sample is 1.8 grams.

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The waxy substance SECRETED by honey BEE to repair COMBS is CALLED propolis.

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SINCE Alcohols are given a higher priority than ethers, the PRINCIPAL functional group is 'Alcohol'.

Thus, the IUPAC name of the COMPOUND above is

1-Ethoxy Butan-3-ol

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Lattice energy is the measure of the stability of an IONIC solid. It is the energy REQUIRED to SEPARATE the ions in ONE mole of a solid ionic compound into gaseous ions.
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There are many saturated COMPOUNDS in which the CARBON atoms are SHAPED in a ring. For INSTANCE, cyclopentane.

C5H10- all carbon atoms with two hydrogen atoms, JOINED by single bonds,in a ring.

Energy DECREASES BEACAUSE during BOND FORMATION heat is evolved and its STABILITY increases

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Here ur answer,,KASSA ka thol made up of
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A double displacement reaction, also known as a double replacement reaction or metathesis, is a TYPE of chemical reaction where two compounds REACT, and the POSITIVE IONS (cation) and the negative ions (anion) of the two reactants switch places, FORMING two new compounds or products.... .... .. .

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Fe2o3.xh2o is the FORMULA of RUST

It is KNOWN as IONIZATION POTENTIAL in CHEMISTRY.

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Electronegativity of francium was chosen by Pauling as 0.7, close to that of caesium (also assessed 0.7 at that point). The base value of hydrogen was LATER increased by 0.10 and caesium's electronegativity was later REFINED to 0.79; however, no refinements have been made for francium as no experiment has been conducted and the old value was kept. However, francium is expected and, to a small EXTENT, observed to be more electronegative than caesium. See francium for details.^ See Brown, Geoffrey (2012). The Inaccessible Earth: An integrated view to its structure and composition. SPRINGER Science & Business MEDIA. p. 88. ISBN 97894011151

The Difference between Accuracy and Precision
The FOLLOWING are a few differences between accuracy and precision:
Accurate data need to very close to the TARGET value, but PRECISE data need not be close to the target value. Precise data only need to be close together.
For quality purposes, accuracy is desired while precision is not. Precision is required when it is coupled with accuracy.
Accurate data can be precise but precise data may or may not be accurate. Precision is not dependent on accuracy.
For accuracy, one measurement is ENOUGH; HOWEVER, for precision many measurements are required.

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If the pressure will increase then TEMPERATURE will decrease.For example, if we keep WATER in FREEZER so it get converted into ICE

If the pressure will decrease temperature will increase . For example,if we keep ice at ROOM temperature it melts and converted into water

Baking SODA SOLUTION because it is an alkali and it reacts with the acid and MAKES it neutral.
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The COMMON METHOD of CONVERTING 2-Bromobutane into But-2-ene is by using alcoholic Potassium Hydroxide (KOH )

velocity = frequency * WAVELENGTH

and TIME period = 1/frequency

so wavelength = velocity * time period

=(3*10^8) * (3*10^-10)

=9 * 10^-2

1. Carbon dioxide when passes through lime water for a SHORT TIME, it will change lime water into milky COLOR. This white color is beacuse of formation Calcium carbonate.

2. When carbon dioxide is passes through lime water for a long time then INITIAL milky color will SOON disappear from the lime water.

Neutralization  is a type of chemical REACTION in which a STRONG ACID and strong base react with each other to form water and salt
ex-
HCl + NaOH = NaCl + H20

It is the REACTION in which both ACID and base react with each other to form a salt and water .
for example :NaOH+H2O=Back+H2O.
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Very SIMPLY acidity increases when HYDROGEN is attached to a more electronegative atom in a PERIOD. HF > H2O > NH3 > CH4

Along a group acidity increases as you go down and we can simply relate it to BOND length.

HI > HBr > HCl > HF

<P>SEQUENCE will be as follows

s>p>d>F

S P d and F.........

They were SEPARATE after some TIME

The gases LIKE ARGON and nitrogen do not react with the hot TUNGSTEN filament and hence PROLONG the life of the filament of the electric bulb.

Metal FLUORIDES are more ionic than metal chlorides because -

Fluorine is smaller in size than cl

Electronegativity of Fluorine is HIGHER than chlorine

Since the ionic character of elements increases with the INCREASING electronegativity

This leads to an INCREASED ionic character of F and it has a lesser tendency to form a COVALENT bond.