What is the state of water at room temperature? A. solid B. liquid C. gas D. plasma 相关知识点: 试题来源: 解析 B。在室温下,水是液态。水在 0 摄氏度以下是固态;100 摄氏度以上是气态;通常情况下不是等离子态。本题考查物质的状态。
百度试题 结果1 题目Water is a liquid at room temperature. What state is it in at very low temperatures? A. solid B. gas C. plasma D. liquid 相关知识点: 试题来源: 解析 A。在很低的温度下,水会凝固成固体。反馈 收藏
What is xenon at room temperature?Xenon:Xenon is a chemical element indicated by the symbol 'Xe.' Its name means 'stranger' in Greek. It has an atomic number of 54, which means that there are 54 protons in the nucleus of one atom of xenon....
7 At room temperature and pressure, H2O is a liquid and H2S is a gas.What is the reason for this difference?C A O has higher first and second ionisation energies than S. B The covalent bond between O and H is stronger than the covalent bond between S and H. C There is significant...
37. What happens when one mole of ethane is mixed in the dark at room temperature with six moles of chlor ine gas? A. There is no reaction. B. Only C2Cs are formed. C. C2Cls and HCI are formed. D. CH3CH2CI and HCI are formed. 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
Temperature.The absolute temperature of the gas. Pressure.The amount of force the gas exerts on the container holding it. All four properties play a vital role in how a gas behaves under different circumstances: When a gas is heated, the atoms or molecules gainkinetic energyand move more rapi...
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What is helium's state of matter at room temperature? What is the charge of halogens? Is natural gas an inert gas? What is the oxidation state of nitrogen in Mg(NO2)2? What is the molar mass of argon? What does isoelectronic mean in chemistry?
Gas is air that collects in your digestive system (stomach or intestines). Bloating is the tight, full feeling you get from too much gas.What are common causes for gas and bloating?Swallowing air while you eat, drink, chew gum, or smoke cigarettes Certain foods such as pasta, beans, ...