Effective collision is a powerful collision between active molecules that can produce chemical reactions.
对
举一反三
- 1) Have you ever heard ground collision?2) what are the possible reasons for ground collision?3) What can be done to avoid ground collision?
- To _____ a substance means to produce it by means of chemical or biological reactions. ( ) A: synthesize B: detach C: affix D: attach
- The rate of a reaction depends on __________. A: collision frequency B: collision energy C: collision orientation D: all of the above E: none of the above
- Reactions that produces a precipitate are all exothermic reactions.
- Exothermic reactions are faster than endothermic reactions.
内容
- 0
Risk of collision may exist ______.
- 1
The duty of an air traffic controller is to primarily ①__________________a collision between ②______________ operating in the system and to ③___________________ the flow of traffic, and to provide ④_________________ services like ⑤_________________ when able and required.
- 2
There is a fierce competition between Ohio State and the University of Michigan for the Big Ten Football Championships. A: fighting B: collision C: contest D: discussion
- 3
When you doubt the existence of risk of collision, ________.
- 4
Exothermic reactions are faster than endothermic reactions. A: 正确 B: 错误