Fractional distillation, who discovered fractional distillation

who discovered fractional distillation

What is the use of gallium, Q. What is the use of Gallium? Gallium is m...

Q. What is the use of Gallium? Gallium is mainly used in semiconductor technology. It is used for doping other semiconductor and in solid state devices such as transistors.

Chem project, need to know common methods of preparing acetone/propanone. N...

need to know common methods of preparing acetone/propanone. Need to include chemical equation for reaction that produces that molecule.

Chemical change, clear scientific definition of exothermic and endothermic...

clear scientific definition of exothermic and endothermic reactions

If spring constan(k)=infinite, Thats a hypothesis and Yes it becomes a stri...

Thats a hypothesis and Yes it becomes a string.

Coordination chemistry, A compound exists in 2 forms. One them produces 2mo...

A compound exists in 2 forms. One them produces 2moles of AgBr while the other produces 1mole of AgBr with AgNO3

Thermodaenamics,

Classification of polymers - elastomers, Classification of polymers - Elast...

Classification of polymers - Elastomers The polymers which have elastic character such as rubber (a material that can return to its unique shape after stretching is said to be

Define the normality of solutions, Q. Define the Normality of solutions? ...

Q. Define the Normality of solutions? Ans. Sometime normality is used to measure concentration. Normality (abbreviated N) is the number of gram-equivalent masses of solute in 1

Determine the electronic configurations, Aufbau principle is obeyed in whic...

Aufbau principle is obeyed in which of the following electronic configurations: (1) 1s 2 2s 2 2p 6                    (2)  1s 2 3p 6 3s 2      (3)  1s 2 3s 2 3p 6