If a reaction requires a constant input of energy, the products are higher in energy than the reactants. This type of reaction is known as endothermic, since it involves an increase in energy of the system. Conversely, reactions that release energy are known as exothermic.
Best Answer: The length of a semester varies per institution. For most colleges/universities, a typical Fall or Spring semester is between 14 and 16 weeks.Summer terms are shorter and more varied; some courses last 3 or 4 weeks whereas others might last 10 or 12 weeks.Source(s): college instructor.or most colleges/universities, a typical Fall or Spring semester is between 14 and 16 weeks. Summer terms are shorter and more varied; some courses last 3 or 4 weeks whereas others might last 10 or 12 weeks. Source(s): college instructor.
Typically a quarter or semester refers to the number of weeks a course runs. There are usually four quarters in a school calendar year versus two semesters in a school calendar year. American College of Education terms run for 5 weeks. Most courses taken during a term were worth 4 quarter credits.With the conversion to semester credits, the course term will remain the same â 5 weeks â but the rigor and work load of the 4 quarter credit course increased and will now carry 3 semester credits.redit Conversion: The process by which American College of Education moved from the quarter credit system to the semester credit system. Quarter credits that were worth 4 credits were converted to 2.67 semester credits, and courses offered under the semester credit system are worth 3 semester credits.