Study Chemistry Online with Emonzy
Diffusion of gases#scowe
periodic table problem
The feasibility of a reaction at a particular temperature can be known from the value of ∆G.#scowe
problem on activity series of metals
Entropy change problem
Atomic radius: for diatomic element, it is half of the distance between the two nuclei of the atoms.
Basicity of ethanoic acid.
Partial pressure and mole fraction from Dalton's law of partial pressure.
JAMB problem about pH
Disorderliness of water in its 3 different states. which is the greatest?
Important arrows in chemistry part 2
Arrows convey a lot of information in chemistry.
From Graham's law of diffusion, what determines how fast a gas diffuses is its molar mass.
Problem related to atomic structure and configuration
A must watch for chemistry students: learn how to name a substituted cyclo alkane.#scowe
Writing the overall reaction for two half cell reactions involves balancing the atoms and charges.
How to obtain the number of electrons lost in the oxidation of chromium.#scowe
Isotopes are atoms of the same element, having the same atomic number but different atomic mass.
Ionic compounds are electrolytes since they ionize in water into their respective ions.
Determination of the molar mass of a compound has to be the simplest calculation in chemistry.
What is addition/combination reaction? Can you give two examples of addition/combination reaction?
Introduction to the periodic table of the first twenty elements.
An alkali is a soluble base with (OH) attachment. All alkalis are bases but not all bases are alkali
Single displacement/replacement reaction is one in which an atom replaces another atom in a compound
Did you know that oxygen is absent in kerosene, petrol, diesel etc.?
A simple question about atomic particles of an atom.
Chemically, how to you determine if the cup of water you have is pure or impure.
What is addition/combination reaction? Can you give two examples of addition/combination reaction?
Effect of temperature on equilibrium
Question on atomicity