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Category: Chemistry

September 22, 2017 No comments

Define molarity, molality, normality, mole-fraction.

Last updated on August 29th, 2020 at 01:19 am Molarity (M):  Molarity is defined as the number of moles of

September 22, 2017 No comments

Show that the half-life of a second order reaction is inversely proportional to its initial concentration.

Last updated on August 29th, 2020 at 01:19 am For the simple second order reaction 2A→product, we know the rate

September 22, 2017 No comments

Derive an expression for the rate constant of 2nd reaction of the type, 2A→product.

Last updated on August 29th, 2020 at 01:19 am 2A → Productinitial concentration : a molL-1        

September 22, 2017 No comments

Derive an expression for the rate constant of a first order reaction. Give its units.

Last updated on August 29th, 2020 at 01:19 am Let us consider a first order reaction, A → product Suppose

September 22, 2017 No comments

Define order and molecularity.

Last updated on August 29th, 2020 at 01:20 am Order: Order of a reaction is defined by the number of

April 17, 2016 No comments

Explain an example of Dry Cell or Short note on Leclanche cell.

Last updated on August 29th, 2020 at 09:50 amExample of Dry Cell – Leclanche Cell: The most common example of

April 17, 2016 No comments

What is chemical bond? What are different types of chemical bonds?

Last updated on August 29th, 2020 at 09:51 amChemical bond Atoms of all elements except of the inert gasses have

April 17, 2016 No comments

Nature of bonding and properties of certain solids.

Last updated on August 29th, 2020 at 09:51 amDiamond Diamond is an allotrope of carbon. Due to difference in bonding

April 17, 2016 No comments

Briefly explain the formation of dimmers and trimmers.

Last updated on August 29th, 2020 at 09:51 amSome compounds like hydrogen fluorides, ethanoic acids, benzoic acid form dimmers or

April 17, 2016 No comments

Briefly explain Atomic spectra and Hydrogen Spectra.

Last updated on August 29th, 2020 at 09:51 amAtomic spectra: When a ray of light is passed through a glass

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