#first class, Chemistry

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how do i make a first class in chemistry, secondly in nigeria chemistry is based on too much theory. how do i make it in this case?

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De-broglie equation, de-Broglie equation is: (1) n γ= 2d sin θ          ...

de-Broglie equation is: (1) n γ= 2d sin θ                                (2) E= hv               (3) E= mc 2                           (4) γ= h/ mv Ans: γ= h/ mv

Calorimetry, An unknown amount of copper, at 95 degrees C,, is placed in 10...

An unknown amount of copper, at 95 degrees C,, is placed in 100 g of water at 20 degrees C. It reaches temperature equilibrium at 60 degrees C. What is the mass of the copper?

Carbon is present as graphite in white cast iron , Cast iron is iron or a f...

Cast iron is iron or a ferrous alloy which has been heated until it liquefies, and is then poured into a mould to solidify. It is usually made from pig iron. The alloy constituents

Maximum electrons in a d -orbital, Maximum electrons in a d -orbital are: ...

Maximum electrons in a d -orbital are: (1) 2        (2) 10        (3) 6      (4) 14 Ans: 10

Molecular geometries, Use the VSEPR model to predict approximate molecular ...

Use the VSEPR model to predict approximate molecular geometries and electron-domain for the following species. (a) XeF 2 , (b) NH3Cl + , (c) BrO2 -

Physical properties of group 3 elements, Explain trend in variation of the ...

Explain trend in variation of the atomic size properties from Boron and Thallium

IR spectrum, Draw the IR spectra of pyridine

Draw the IR spectra of pyridine

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