11. A fast reaction , such as swerving to avoid a car crash, takes around 200 ms. 12. Figure 8 : Reaction Coordinate Diagrams showing favorable or unfavorable and slow or fast reactions 13. With his heavy eyelids and laid-back manner, Perkins would not seem to have fast reactions . 14. Stopped-flow is useful for studying fast reactions that have half-lives as short as a few milliseconds. 15. This compound is characterized as having fast reaction times, low use-cost, years of proven performance, availability. 16. "We heard that our fast reaction was decisive, " she told the Norwegian news agency NTB. 17. This can lead to widespread concerns, especially in the devices world where treatments can cause fast reactions . 18. There is another advantage to the fast reaction that has led to considerable development for civilian use. 19. They have a really fast reaction time. 20. To summarise-a "'low "'pH indicates lots of H + ions which will give a fast reaction with sodium hydrogencarbonate.