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hydrogen dioxide
hydrogen
cyanide的解释是什么
答:
用于监测工作场所空气中无机含氮化合物[包括一氧化氮(Nitrogenmonoxide,Nitricoxide)、二氧化氮(Nitrogen
dioxide
)、氨(Ammonia)、氰化氢(
Hydrogen
cyanide)、氢氰酸(Cyanicaci2.2.氢氰酸:猎户星座光谱的一个独特的特性是光谱的丰富性:这保证了能够在丰富的分子中,识别出水、一氧化碳(carbonmonoxide)、甲醛(...
宇宙中有什么气体?
答:
CO2 Carbon
dioxide
[35] 二氧化碳 —— Protonated molecular
hydrogen
H3+离子 H3+[36][37]H2C Methylene[38] 亚甲基 —H2O Water[39] 水分子 —H2S
Hydrogen
sulfide[6] 硫化氢 —HCN Hydrogen cyanide[6][14][40] 氰化氢 —HCO Formyl radical[41] 甲酰基自由基 HCO+[13][41][42]HCP Phosphaethyne...
甲烷英语
答:
甲烷分子由1个碳原子与4个氢原子构成。A methane molecule is composed of one carbon atom attached to four
hydrogen
s.甲烷常被认为是仅次于二氧化碳的重要温室气体。Methane is often regarded as the second most important greenhouse gasafter carbon
dioxide
. 大多数氯氟甲烷存留在平流层下部。Most ...
宇宙中有哪些气体
答:
CO2 Carbon
dioxide
[35] 二氧化碳 —— Protonated molecular
hydrogen
H3+离子 H3+[36][37]H2C Methylene[38] 亚甲基 —H2O Water[39] 水分子 —H2S
Hydrogen
sulfide[6] 硫化氢 —HCN Hydrogen cyanide[6][14][40] 氰化氢 —HCO Formyl radical[41] 甲酰基自由基 HCO+[13][41][42]HCP Phosphaethyne...
烟对人有什么伤害?
答:
Carbon
dioxide
- 二氧化碳Chloroform - 哥罗芳: 引至肝肾毛病及 婴儿身体缺陷Copper - 铜: 影响一种造血(haemopoiesis)的酵素(dihydrophil hydratase).Cyanide/
Hydrogen
cyanide - 氰化物/氰化氢 (山埃): 可导致昏迷,心搏停止, 死亡。衰弱、睡意、忧虑和兴奋。头晕, 恶心, 呕吐, 冒汗, 手指脚趾无力, 难行走, ...
Hydrogen
sulfide
答:
leading to sulphide stress cracking — a concern especially for handling "sour gas" and sour crude oil in the oil industry.
Hydrogen
sulfide burns to give the gas sulfur
dioxide
which is more familiar as the odor of a burnt match. Small amounts of
hydrogen
sulfide occur in crude...
hydrogen
carbonate是否carbonic acid?还有,calcium chloride是甚么颜色...
答:
更新1: 关于第一题的补充: 由于
hydrogen
carbonate好像含有water和carbon
dioxide
但water+carbon dioxide是carbonic acid 所以才出此问题。carbonic acid是H2CO3,和hydrogencarbonate(HCO3^-)不同 calcium chloride是白色和solid state in standard condition(25度,1个大气压力). 参考: Handout 1....
不懂CHEM的Word equations
答:
更新1: i619.photobucket/albums/tt280/wongbj/IS01 i619.photobucket/albums/tt280/wongbj/IS02 1. copper oxide + carbonon → copper + carbon
dioxide
2. lead oxide + carbon → lead + carbon dioxide 3. magnesium + oxygen → magnesium oxide 4.
hydrogen
+ oxygen → water 5. ...
lime water 加CO2问题
答:
calcium carbonate和水会产生.由于calcium carbonate 不能溶于水 所以个solution turn milky calcium carbonate + water + carbon
dioxide
→water+calcium
hydrogen
carbonate 由于calcium hydrogencarbonate 可溶于水,所以lime water 就会变返colourless 参考: me calcium hydroxide + carbon dioxide → calcium...
关于acids and alkalis的简单化学问题
答:
a colourless gas of carbon
dioxide
and a blue solution of copper(II) chloride (or copper(II) ion) are formed. Obviously the wer is C. 2. The wer is C. A B and D can give
hydrogen
with zinc. Zinc reacts with acids (except that the acid is an oxidizing acids) to ...
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