Lyman series, For a hydrogen atom, calculate the wavelength (in nm) of an e...

For a hydrogen atom, calculate the wavelength (in nm) of an emitted photon in the Lyman series that results from the transition n = 3 to n = 1

Find the concentration of hydrogen ions, An aqueous solution has a hydroxyl...

An aqueous solution has a hydroxyl concentration of 1.75 x 10^-7mol/L. Find the concentration of hydrogen ions in this solution.

Explain ratio scales, Ratio scales It is also possible to record likin...

Ratio scales It is also possible to record liking or acceptability using magnitude estimation scaling methods, but consumers may find it difficult to handle the concept of rat

Thermodaenamics,

Minerals and their formulae, list of minerals with symbol

list of minerals with symbol

The phosphate of a metal has the formula mpo4, The phosphate of a metal has...

The phosphate of a metal has the formula MPO4 .The formula of its nitrate will be: (1) MNO 3                                                   (2)  M 2 (NO 3 ) 2

Synthetic element, Synthetic element compounds

Synthetic element compounds

D-bock elements, color formation of d-block elements

color formation of d-block elements

Atoms and molecules, whaqt is a gram moleculer mass

whaqt is a gram moleculer mass

Coulumerty, what are the applications of coulumetry ?

what are the applications of coulumetry ?