What is the mass of the tube, A covered glass tube contains 2.25g of copper...

A covered glass tube contains 2.25g of copper and 3.32g of sulphur. The mass of the tube as well as its contents is 18.48 g. Upon heating a chemical reaction forms copper(II) sulph

Magnified atoms, how many times does water need to be magnified to see the ...

how many times does water need to be magnified to see the atoms

Electronic configurations, what rules and principles are violated in the fo...

what rules and principles are violated in the following electronic configuration: 1s22s3

Nomenclature, how to study nomenclature

how to study nomenclature

CFSE, energy order of octahedral, tetrahdral, squareplaner.

energy order of octahedral, tetrahdral, squareplaner.

Find the pressure in the droplet, Q. The pressure in a liquid droplet of ra...

Q. The pressure in a liquid droplet of radius r is greater than the pressure of the surrounding equilibrated gas phase by a quantity 2 =r, where is the surface tension. (a) Cons

Show the liquation in purification of metals, Q. Show the Liquation in puri...

Q. Show the Liquation in purification of metals? Crude tin, bismuth and lead are purified by liquation. In this process, the impure metal is placed at the top of a sloping hear

Uses of BHC,

Programming, how can one use programming in the the chemical field?

how can one use programming in the the chemical field?

The bohr orbit radius for the hydrogen atom, The Bohr orbit radius for the ...

The Bohr orbit radius for the hydrogen atom (n=1)   is approximately  0.530 Å . The radius for the first excited state (n=2)  orbit is: (1) 0.13Å