JON CHASE:'Chemical reactions are all about collisions between particles, 'and a rate of reaction depends on how frequently particles collide 'and with how much energy. JON CHASE:'There four methods ...

If the concentration of solution is doubled, the number of particles in a given volume is doubled and so too are successful collisions in a given time. the horizontal line shows that no more product ...

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 ...

Note: This demo has two parts, I & II. When ordering, please specify whether you want Part I, Part II, or both at the same time. I. The reaction between iodate and bisulfite in acid medium produces ...

Figure 1: An artist’s impression of an enzyme and its substrate. Three RIKEN researchers have found a simple expression that governs all kinds of enzymes. © HYBRID ...