对应课程:点击查看
起止时间:2020-03-02到2020-06-30
更新状态:已完结
第一章 Environmental Security，Green Chemistry Environmental Security，Green Chemistry
1、 The impact of environmental change on , which may emerge from situations of resource and overuse of resources.
答案: conflict formation
2、 Tensions can also arise out of a context of contested , such as oil production, mining.
答案: resource wealth
3、 There is now growing recognition of the important inter-connections between .
答案: environment security and sustainable development
4、 are two important thoughts in the concept of green chemistry.
答案: Reduce pollution and zero emission
5、 Chemistry is a process of constantly creating .
答案: new molecules, substances and materials
6、 The topic of 9th World Engineering Education Forum 2019 is .
答案: Disruptive Engineer Education for Sustainable Development
7、 The benefits of reducing the waste food are .
答案: saving money, reducing methane emissions and conserving energy and resources
8、 is the Earth Day every year?
答案: April 22ed
9、 The purpose of establishment of the Earth Day is to .
答案: enhance and cultivate citizens’ environmental awareness
10、 The time of the World Environment Day is at every year.
答案: June 5th
11、 Another activities of cultivating citizens’ environmental awareness is the .
答案: World Ocean Day
12、 The topic of the World Environment Day in 2018 is .
答案: Plastic Pollution
第二章 Smog，Photochemical Smog，Global Warming Smog，Photochemical Smog，Global Warming
1、 90% of the atmosphere is located in .
答案: Troposphere
2、 The percent by volume larger than the average value in the atmosphere is called .
答案: pollutions
3、 refers to the return of 84% of the energy radiated from the surface of the earth.
答案: Global Greenhouse Effect
4、 , such as ash, soot, metal oxides and even sea salts, play a major role in air pollution.
答案: Solid particles
5、 Generally, smog exists at the .
答案: urban areas, where industrial and human activities
6、 Aerosols are usually solids (state), though some are tiny .
答案: droplets of liquid
7、 According to the cause of formation, smog can be divided into .
答案: industrial smog and photochemical smog
8、 In aerosols, sunlight splits NO2 into .
答案: NO and atomic oxygen
9、 are two kinds of VOCs.
答案: Hydrocarbons and oxygenates
10、 The main substances destroying the ozone layer are .
答案: Chlorofluorocarbons
11、 The wavelength range of UV-B is .
答案: 280 nm-320 nm
12、 Although ozone is a pollutant in the , it is very necessary for the health of atmosphere of the earth in the stratosphere.
答案: troposphere
13、 The greenhouse gases in the atmosphere of earth contains .(List 3 kinds)
答案: carbon dioxide, water vapor, methane, nitrous oxide and ozone
14、 The reason of global warming is the has been changed.
答案: earth’s energy balance
15、 Generally, the pH value of normal rain is 5-6. However, the pH value of acid rain is .
答案: 3-5
16、 The method to solve the acid rain problem is .
答案: neutralizing the threat of acid rain
17、 Generally, the acid rain can damage stone statues, trees and forests. It can as well.
答案: corroding metals
18、 In order to reduce SO2 emission, the most effective way is .
答案: desulfurization of the coals
19、 The three kinds of coal desulfurization process are .
答案: oxidative desulfurization, reduction desulfurization and biological desulfurization
20、 In the process of burning, we use the method for the desulfurization of the coals.
答案: chemical
第三章 The Structure and properties of Water, Water Pollution The Structure and properties of Water, Wa
1、 The name of the website for the water environment problem established by United Nations is .
答案: www.unwater.org
2、 The most obvious type of water pollution is .
答案: surface water pollution
3、 Pure drinking water contains some , not only H2O.
答案: mineral
4、 The specific heat capacity of water is .
答案: 4.184 J/(g×℃)
5、 of water is almost the largest among all the liquids (except mercurg).
答案: Surface tension
6、 Geometry of the basic unit of the extended hydrogen bonding structures in ice is .
答案: tetrahedron
7、 are the three factors affecting water cycles.
答案: Meteorological conditions, geographical conditions, human activities
8、 The development of agriculture or deforestation can lead to changes in etc.
答案: water evaporation, infiltration, runoff
9、 The expression of 4 types of concentration in water solution are .
答案: percentage, parts per million, parts per billion and molarity
10、 The main types of water pollution are two kinds, which are pollution.
答案: point source and nonpoint -source
11、 Atmospheric deposition industrial waste water, sewage and solid waste disposal sites are the .
答案: main sources of water pollution
12、 affects people immediate environments and leads to water related illnesses.
答案: Sewage disposal
13、 Another kind of toxic pollution comes from , such as lead cadmium and mercury.
答案: heavy metals
14、 Most plastics are not they don’t break down naturally in the environment.
答案: biodegradable
第五章 The Variety of Energy The Variety of Energy
1、 The anode of lead storage battery is .
A:Lead
B:Lead(IV) coated with Lead Dioxide
C:Sulphuric acid
D:–
答案: Lead(IV) coated with Lead Dioxide
2、 What is the anode reaction of Mercury Batteries?
A:Zn(Hg) +2OH-(aq) → ZnO(s) +H2O +2e-
B:HgO(s) +H2O(l) +2e- → Hg(l) + 2OH-(aq)
C:Zn(Hg) +HgO(s) → ZnO(s) + Hg(l)
D:–
答案: HgO(s) +H2O(l) +2e- → Hg(l) + 2OH-(aq)
3、 The secondary cells are those which can be .
A:rechargeable
B:non-rechargeable
C:used only two times.
D:–
答案: rechargeable
4、 Galvanic cells belong to .
A:primary cells
B:secondary cells
C:fuel cells
D:–
答案: primary cells
5、 In the galvanic cell based on Zn(s) +2H+(1M) → Zn2+ (1M) + H2 (1atm), what is the cathode reaction?
A:Zn(s) – 2e- → Zn(aq).
B:2H+(aq) + 2e- → H2 (1atm).
C:2H+(1M) → Zn2+ (1M) + H2 (1atm).
D:–
为了方便下次阅读，建议在浏览器添加书签收藏本网页
添加书签方法：
1.电脑按键盘的Ctrl键+D键即可收藏本网页
2.手机浏览器可以添加书签收藏本网页
获取更多MOOC答案，欢迎在浏览器访问我们的网站：http://mooc.mengmianren.com
注：请切换至英文输入法输入域名，如果没有成功进入网站，请输入完整域名：http://mooc.mengmianren.com/
我们的公众号
打开手机微信，扫一扫下方二维码，关注微信公众号：萌面人APP
本公众号可查看各种网课答案，还可免费查看大学教材答案
点击这里，可查看公众号功能介绍
一键领取淘宝，天猫，京东，拼多多无门槛优惠券，让您购物省省省，点击这里，了解详情
干饭人福利，饿了么红包每日领
