08/04/13

Difference between ions and radicals

What is one major difference between ions and radicals ? I think ions have electric charge over it and radicals have no charge over it ?  is there any uses of ions in chemical reaction ? Please... more

08/01/13

Calculate concentrations in air, water and octanol

A student was performing an extraction procedure of o-Xylene from water into octanol. The total mass of o-Xylene was 0.10 gram (molecular weight 106.2 g/mole). The volume of water was 990mL and... more

02/10/13

what is the covalent bond for Nitogen and Fluride

WHAT IS THE Covalent bond for nitrogen and flouride with the work with 

02/08/13

Consider the titration of 300.0 mL of 0.500 M NH3 (Kb = 1.8 ×10-5) with 0.500 M HNO3. At the stoichiometric point of this titration the pH is?

Consider the titration of 300.0 mL of 0.500 M NH3 (Kb = 1.8 ×10-5) with 0.500 M HNO3. At the stoichiometric point of this titration the pH is?

02/02/13

Is this true or not

1u=1.660*10-27kg  relative mass of the Li=7u=1 atom=1.660*10-27*7kg 7g=6.022*1023 atoms of... more

02/02/13

ATOMIC MASS vs MASS NUMBER

WHAT IS DIFFERENCE BETWEEN ATOMIC MASS AND MASS NUMBER?

01/17/13

how does the octet rule applies to covalent bonds?

why are halogens and alkalie metals likely to form ions? explain your answer.

01/09/13

Why is it that when you put an empty container upside down on a surface with water, does it become suctioned ?

science. a simple answer please  

11/25/12

what is a secondary carbon?

Im not 100% sure of what is a secondary carbon or how i can identify one. the question was which of the following molecules are made up of only secondary carbons toluene 1,2... more

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