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Showing posts from February, 2022

CXC/CSEC chemistry @gungehyard.blogger. com

 In 1827 the botanist, Brown ,observed that pollen  particles in water were in State of rapid random motion in all directions.  This is called the Brownian movement and it continues indefinitely at room temperature. BoylesLaw,:The volume of a given mass of any gas is inversely proportional to its pressure. Charles law: The volume of a  given mass of any gas is proportional to  its Kelvin temperature, pressure is being constant. Gay-Lussac law :When gases react together their volume are in a simple ratio to each other and to the volume of any gaseous product temperature and pressure being constant. Graham's Law: At constant temperature and pressure ,the rated of diffusion  of gas are proportional to  the square root of their density. Avogadro Law: Equal volumes of all gases at the same temperature and pressure contain the same number of molecules

CXC/CSEC CHEMISTRY @gungehyard.blogger.com

Nature of gas:A gas is a form of matter consisting of a collection of very small separate particles (molecules),which in ordinary room conditions temperature and pressure exert only very small forces of attraction on each other. The molecules can separate readily. They are in a state of rapid motion at room temperature and and the average free pathof  a molecule  is very great compared with its  own diameter .A given mass of gas will  diffuse  rapidly to fill a container in which it is placed, the pressure of the gas decrease as the space it occupies become larger.

CXC)CSEC Chemistry@gungehyard.blogger com

 What is empirical formula? The empirical formula of a compound is the simplest formula that expresses it composition by mass. What is the molecular formula of a compound? The molecular formula of a compound  states the kind and number of the atoms present in one single molecule of  the compound.

CXC/CSEC chemistry@gungehyard .blogger.com

 Define The term Atomic Weight? The atomic weight of an element is the number of times one atom of the element is as heavy as one atom of hydrogen. The equivalent of an element is the number of mass-units(usually grammes) of the element which combine with ,or displace one mass -unit of hydrogen. The Valency of an element is the number of atoms of hydrogen which combine with One atom of the element .

CXC/CSEC. Chemistry @gungehyard .blogger.com

 What is an Atom? An atom is the smallest indivisible part of an element that can exist on its own and still exhibit the property   of that particular element NB atoms cannot be created or destroyed,All atom of the same element are exactly alike in terms of mass and atoms combine together in small whole number

Why Haitians Fear Jamaicans?

gungehyard@blogger.com.  Why Haitian Fear Jamaicans?   All Though Jamaica and Haiti share close tie in terms of people ,descent, race ,history and culture.Most people don't know that silently Haitians fear Jamaicans and also there National Dish,(Ackee and Saltfish).Haitians  are also afraid to eat Sosumba and and Salt fish: a delicacy enjoyed and consumed widely by the maroons  of Trelawney Town, Accomponng Town,Scotts Path,Moore Town, Tangle River and the local Jamaicans, as well as those who resides in the wider Diaspora.The fact is Haitians practice vodoo culture as to Jamaicans who practice myalism, obeah and kumina  .Multiculturalism also shape Jamaica grandly as well as diverse religious culture .Haitians use both ackee and sosumba to perform vodoo  rituals. But most alarmingly to Haitians, Jamaicans eat both ackeee  and sosumba : (although ackee   if not open  contains a venom and can result if consume before opening i...