The loudest? In his new book Extreme Cosmos (Perigee, 2012), astronomer Bryan Gaensler reveals the cosmic record holders of these and many other titles. In an excerpt below, from the chapter Extremes of Temperature, Gaensler explains the physics behind some of the hottest stars known:
Double Displacement Reactions: Forming Precipitate Lab Answers ; Percentage Yield Lab Answers ; ORGANIC REACTIONS ; Rate of Reaction of HCl & Mg Lab Answers ; Concentration & Rate Factors Lab Answers
The student will determine the type of chemical reaction that has occurred based on the results. The student will provide a demonstration and explanation of that reaction to the class. Concepts covered include types of chemical reactions, writing balanced equations, and conducting safe laboratory experiments. For this lab, students will need two or three 50-minute class periods to conduct the experiment and then demonstrate depending on the class size.