The technology of photography is an element chemical, part optical, and dates from 1839. Soon after its simultaneous invention by William Henry Fox Talbot in England and Louis Jacques Mand? Daguerre in France, photography was used to document foreign places of interest including India, the Holy Land, as well as the American West. It was also employed for portraits with photographs taken of kings, statesman, and theater or literary personalities. Some people tend to be more fortunate than these. People with innately high metabolisms can munch on chips and candy while some deprive themselves of any indulgences as a way to lose weight. They exercise, make appropriate food choices, and now have problems trying to shed weight. It can be frustrating, tedious process. For some, it?s a miserable one. To lose weight, they are often hungry, chugging bottles of water so that you can fill the empty void within their stomachs. This is usually referred to as The General Chemistry Study Guide. This includes 113 pages in three categories. The first part is a brief explanation of content normally chemistry. In the second part you'll find example exam questions. In the final area of the guide, you can find practice questions. Content is produced by both semesters of General Chemistry and includes: Descriptive Chemistry / Periodicity Electrochemistry / Redox Molecular Structure and Bonding States of Matter / Solutions Atomic Structure Energetics Dynamics Stoichiometry Equilibrium Laboratory Chemistry