Monthly archives: April, 2013

Symbol used in chemistry and Formula used in chemistry

Symbol used in chemistry d= densityv= volumem= massCp= specific heatq= heatΔT= change in temperature K= KelvinC= Celsius Formula used in chemistry d=m/vv=m/dm=v*dCp= q/ (m* ΔT)q= Cp*m*ΔTΔT= q/Cp*mm= q/Cp* ΔTTf= q/m*Cp +TiTi= q/m*Cp +Tf (then divide everything on the right by negative 1 [-1]) **this formula isn’t used as often as Tf** t(C°)= T(K) – 273.15K  …

Atoms and Moles

Section 1 Substances are Made of Atoms I. Atomic Theory -As early as 400 B.C., an atomic theory existed that stated that atoms are the building blocks of all matter-Democritus was the first scientist who believed in atoms (Greek)-It wasn’t until the 1800s that atomic theory was revised based on scientific observations  A. Law of …

Some Notes & Terms to remember about Chemistry

Section 1 of Chemistry Notes Info. Working with the Properties & Changes of Matter Chemical- any substance that has defined composition Everything you see is made up of chemicals Even things you cannot see are made up of chemicals Some exist naturally Some are manufactured Chemical Reaction- the process by which one or more substances …

Chemistry Terms

Chemistry Terms at Chemistry Notes Info Chemical-any substance that has a defined composition Chemical reaction– the process by which one or more substances change to produce one or more different substances States of matter-the physical forms of matters, which are solid, liquid, gas, and plasma   Reactant– a substance or molecule that participates in a …