Standard Enthalpies of Formation, Write a reaction for which the enthalpy c...

Write a reaction for which the enthalpy change will be (delta H) for solid aluminum oxide.

Thermodaenamics,

Ions, what are ions

what are ions

Objectives-purchase of alcohol and its stock maintenance, Objectives: Afte...

Objectives: After doing this exercise you will be able to: 1 . Fill-up a F-22 form or write an application for obtaining the license permit for alcohol, 2 . Give justifica

Filling of electron according to aufbau''s principle, According  to Aufbau...

According  to Aufbau's principle, which of the three 4d, 5p  and  5s will be filled with electrons first: (1) 4d (2) 5d (3) 5s (4) 4d and 5s  will be filled simultaneo

Stochiometry, a sample of CaCo3 and MgCo3 weighing 192g is ignited to const...

a sample of CaCo3 and MgCo3 weighing 192g is ignited to constanr weight of 104 gm . what is the composition of mixture ?

Laboratory precedure, how to prepare chlorine water

how to prepare chlorine water

Explain the term hedonic rating, Hedonic Rating In this test the asses...

Hedonic Rating In this test the assessor is asked to record  the extent of liking for a product, usually by selecting a category on a "hedonic" or liking scale that runs from

#atomic structure, Which have the same number of S electrons as the d - ele...

Which have the same number of S electrons as the d - electrons in fe2+

What is resonance effect, Delocalisation of electrons in conjugated system ...

Delocalisation of electrons in conjugated system is called resonance. For example there is delocalisation of electrons in benzene ,hence we write kekule structure for benzen.