What sort of reaction happens when a hydrogen-2 atom and a hydrogen-3 atom are converted to a helium-4 atom? a. fission b. fusion c. ionic d. chemical Nuclear Reaction: The reactions during which the collisions occurring...
百度试题 结果1 题目The chemical reaction happens ___ a certain temperature. A. at B. in C. on D. to 相关知识点: 试题来源: 解析 A。本题考查介词的用法。“at a certain temperature”表示在某个特定的温度下,用 at。反馈 收藏
A. a positive reaction that happens after sth negative B. a period when there is a reduction in business and many people lose their jobs C. a legal arrangement by which you borrow money from a bank in order to buy a house, and pay back the money over a period of years D. the sale...
and when i awoke i wa and when i see her i and when i shall be w and when im drunk i d and when money failed and when samuel had c and when she answers and when she cry let and when she had wean and when she wakes up and when that happens and when that person and when th...
When a catalyst is added to a reaction at equilibrium, what happens to the equilibrium position? A. Shifts to the right B. Shifts to the left C. No change D. Can't determine 相关知识点: 试题来源: 解析 C。解析:催化剂只能改变反应速率,不能改变平衡状态,所以平衡位置不变。
anyone over the age o anyone when hes with anyoneanyone anypak anyplatform anything but--- anything by tyler per anything else - yeah anything happens to m anything imaginary is anything that touches anything thats part o anything will do anything you do can g anytime jazz anytime you whisp...
In a double replacement reaction, what happens? A. Two substances combine to form a new substance. B. A single compound breaks down into simpler substances. C. One element replaces another element in a compound. D. Two compounds E. xchange ions to F. orm two new compounds. ...
- What happens when she gets tired of sharing?- Where does that leave you, missy? - On the outside looking in, that's where.think something through:认真考虑清楚某事剑桥英语释义:to carefully consider the possible results of doing something例句:It sounds like a good idea, but we need to ...
(反应) which comes out when we feel that we have not been treated fairly.The good side of this negative emotion(负面情绪)is that it has helped us to shape and improve our manners.However it will become a problem if we can't control it.For example,sometimes it happens that your anger ...
aWhen this happens, the normal first reaction is the fear of difficulty as a result of this poor woodsmanship. He may also worry about the trouble that he will cause his friends when he doesn’t show up. If he is short of experience, he may keep on the move in an effort to find ...