故答案为Harmful gases combine with oxygen and water in the air, and carry these gases when it rains or snows.(有害气体与空气中的氧气和水结合,在下雨或下雪时会携带这些气体。)3.【答案】Yes,it is.【解析】题中问酸雨对动植物非常有害不是吗?根据文中第二段第一句Acid rain is very harmful to...
In the Arrhenius acid-base theory, what constitutes an acid? Which of the following is not a strong acid? HI, HCl, HF, HBr Define an acid and an organic acid. What is the formula for pentanoic acid? Which is the stronger acid, H 2 S or C H 3 C O O H ?
What is the acid solution in the experiment like? A. Sweet like candy. B. Sour like lemon juice. C. Bitter like coffee. D. Salty like salt water. 相关知识点: 试题来源: 解析 B。原因:文章中明确提到“The acid solution was like lemon juice, which is sour.”。 反馈 收藏 ...
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What is low pH in water? If water has a pH level below 7, it’s considered acidic. While scientific measurement is the only accurate way to determine a water’s pH level, some generalizations can be made in areas where atmospheric conditions like acid rain and snowmelt consistently contribut...
this chemical formula proves the interaction beeen ethanoic acid in water... CH3CHOOH(aq) + H2O (l) <--> H3O+(aq) + CH3COO- (aq) Aquous/Diluted because it is a weak acid. Equalibrium. As ethanoic acid added into water it immediately dissociates/ionizes to produce H3O+...
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Understand the definition of groundwater, discover how groundwater is formed, and learn how groundwater is discharged back to the surface. Also, see some of the conservation issues surrounding groundwater. Related to this Question What does a weak acid do in water?
For example, if you add the same weak acid solution to two vials of water - both with a pH of 7. One is with zero alkalinity or buffering power. The other has a buffering power (e.g., alkalinity of 50 mg/l)- the pH of the zero alkalinity water will immediately drop. In ...
In chemistry, what is an acid? Is HNO3 classified as a strong acid? If not, what is it? What is the name of the acid that has the formula HNO3? 1.) hydrocyanic acid 2.) sulfurous acid 3.) hydrofluoric acid 4.) phosphorous acid 5.) perchloric acid 6.) nitric acid 7.) hydrobromi...