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on theory, theory USED to predict the rates of chemical reactions, particularly for gases. The collision theory is based on the assumption that for a reaction to OCCUR it is necessary for the REACTING species (atoms or MOLECULES) to come TOGETHER or collide with one another.

287.38Explanation:ATOMIC mass of - Zn -65.38 S-32 O -16 H-1 molecular mass= 65.38+32+ 16*4 +7*(1+1+16)

p−p overlapping is PRODUCED by the overlapping of the p-orbitals of the ATOMS. In the case of CHLORINE molecule, it is produced by the overlapping of the 3P z orbitals of two chlorine atoms.Cl 2 is the answer.....

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The VALENCY of IODIDE is 1 and its FORMULA is I¯.

So the TEMPERATURE should be reduced to 100 K to GET the 1/4 of INITIAL VOLUME of GAS.

.There R 3 inertia.inertia of MOTION INERT of rest.inertia of TIME.

Square pyramidalExplanation:BRF5 has 5 BP and 1 Ipso the shape is a DEVIATION of octahedralit is square pyramidal

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Rutherford PERFORMED an experiment by allowing a STREAM of the ALPHA particles to pass through a very thin GOLD foil. He observed that alpha particles pass through the metal foil without deviating from their path. This shows that an atom contains a large empty SPACE called nuclear space.

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No of moles of carbon dioxide formed= 2 molesExplanation:Here, 2C4H10 + 13O2 = 8CO2 + 10H20 2 moles 13 moles 8 moles 10 molesOn the basis of balanced chemical EQUATION, it is clear that - 2 moles of butane COMBINE with oxygen to produce 8 moles of carbon dioxide So, 1 mole of butane combine with oxygen to produce 8/2 moles of carbon dioxide i.e 4 moles of carbon dioxide

The numbers placed in front of formulas to balance equations are called coefficients, and they MULTIPLY all the atoms in a formula. THUS, the symbol “2 NAHCO3” indicates two units of sodium bicarbonate, which CONTAIN 2 Na atoms, 2 H atoms, 2 C atoms, and 6 O atoms (2 X 3= 6, the coefficient times the subscript for O)Explanation:Please follow me friend

er of soil which is just below the top-soil is called B-horizon. It is also known as sub-soil. The sub-soil is MADE up of slightly BIGGER rock PARTICLES than that of top-soil. ... The sub-soil has very little HUMUS (DECAYED organic matter).

the COMPLETE ANSWER is MENTIONED in the ATTACHED IMAGE.

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successors of bohr atomic MODELS are 1 His model ensured that how ATOM is very stable 2 He told us that electron in an atom have a particular SHELL ,specific energy ,specific radius and specific energy3 he was ENABLE to tell that how an atom emits RADIATION

Producer gas is fuel gas that is manufactured from material such as COAL, as opposed to natural gas. ... In this respect it is similar to other types of "manufactured" gas, such as coal gas, COKE oven gas, water gas and carburetted water gas.Water gas is a mixture of carbon monoxide and hydrogen produced from synthesis gas. ... The water-gas shift reaction can be used to oxidise the carbon monoxide while producing additional hydrogen, resulting in water gas.The key difference between water gas and producer gas is that the water gas contains flammable GASES WHEREAS the producer gas contains both flammable and non-flammable gases.Both water gas and producer gas are mixtures of several gases. Water gas contains carbon monoxide and hydrogen gases. Producer gas contains carbon monoxide and hydrogen gases along with some non-flammable gases such as NITROGEN and carbon dioxide.hope that this is what u were looking for.....mark as brainliest if this helped

all the ELEMENTS of GROUP 15 has 3 VALENCE ELECTRONS

At a same temperature, hydrogen is more SOLUBLE in water than HELIUM. The VALUE of KH of helium is more than the value of KH of hydrogen. The value of KH depends on the nature of gas. GREATER the value of KH, lesser is the solubility.

The enthalpy CHANGE of a REACTION is temperature dependent. The temperature dependence is determined by the change in heat capacity by the reaction.The temperature dependence of enthalpy is determined by a parameter CALLED the specific heat capacity (at constant pressure), Cp. If Cp is > 0, then enthalpy will increase with increasing temperature, whereas if it is < 0, enthalpy will decrease with increasing temperature. This is described by Kirchoff's LAW of thermodynamics.

Red mercury is purportedly a SUBSTANCE of uncertain composition USED in the creation of nuclear weapons, as WELL as a variety of unrelated weapons SYSTEMS. Because of the great secrecy surrounding the development and MANUFACTURE of nuclear weapons, there is no proof that red mercury exists.

ions (Ca2+) contribute to the physiology and biochemistry of organisms cell. They play an important role in signal transduction pathways, where they ACT as a second MESSENGER, in neurotransmitter RELEASE from neurons, in contraction of all MUSCLE cell types, and in fertilization.

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Here is your answerPhysical changes only change the appearance of a substance, not its chemical COMPOSITION. Chemical changes cause a substance to change into an entirely substance with a new chemical FORMULA. Chemical changes are also KNOWN as chemical reactions.

3Explanation:SCANDIUM is THIRD GROUP ELEMENT

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in this PB GET oxidised EXPLANATION:PLEASE FOLLOW me please follow me

In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging CHEMICAL elements by ATOMIC mass. He PREDICTED the discovery of other elements, and left spaces open in his periodic table for them. In 1886 French physicist ANTOINE Bequerel first discovered radioactivity.

er of SOIL which is just below the top-soil is called B-horizon. It is also KNOWN as sub-soil. The sub-soil is made up of SLIGHTLY bigger rock particles than that of top-soil. ... The sub-soil has very LITTLE humus (decayed organic matter).

is a CHEMICAL compound with the chemical FORMULA CH₄. It is a group-14 HYDRIDE and the SIMPLEST ALKANE, and is the main constituent of natural gas.