In a combustion reaction, fuel is burned and reacts with oxygen to release energy. Respiration is the chemical change that takes place inside living cells. Glucose and oxygen are used to release ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

In this video, I explain why some reactions explode while others cool, exploring the root cause of chemical energy. I discuss the chemistry behind endothermic and exothermic reactions, which involves ...

Users can use simple equipment to measure enthalpy, a term often associated with physicists but significantly relevant to daily life. Heat transfer plays a pivotal role in all these processes, and ...

Students learn to distinguish between heat and temperature. Thermochemistry: Students learn to distinguish between heat and temperature and to define and calculate specific heat capacity. They then ...

IS HELL EXOTHERMIC, OR ENDOTHERMIC?<br><br><br> The following is an actual question given on University of Liverpool<br> chemistry finals. The answer by one student was so "profound" that<br> the ...