What is one of the most important compounds of oxygen? A. Hydrogen (H₂) B. Water (H₂O) C. Carbon monoxide (CO) D. Nitrogen (N₂) 相关知识点: 试题来源: 解析 B。原因:文章中明确提到“One of the most important compounds of oxygen is water (H₂O).”。 反馈 收藏 ...
What are the pros and cons of hydrogen energy? By: Stephanie Watson As the world weathers a global energy crisis, hydrogen energy has emerged as a possible solution. See more green science pictures. Bryan Mitchell/Getty Images It's no understatement to say that we're in the midst of ...
【简答题】1.What is the empirical formula of the following compounds? a. a liquid containing 2.0g of hydrogen, 32.1g sulfur and 64.0g oxygen. b. a white solid containing 4.0g calcium,3.2g oxygen,0.2g hydrogen. c.a white solid containing 0.243g magnesium and 0.71g chlorine。 2. 3.888g...
See the formulas for hydrogen chloride and hydrochloric acid (HCl). Learn what a hydrochloride is and whether HCl is an acid or a base. Read about HCl compounds. Related to this QuestionWhat are the functions of the digestive system? Explain the role of hydrochloric acid in digestion...
Hydrogenation is a chemical reaction between molecular hydrogen and other compounds and elements. Hydrogenation is used in many applications such as the food industry, petrochemical industry and the pharmaceutical manufacturing industry. In this interview, Eric Dabe from Nel Hydrogen talks to AZoM about ...
of hydrogen below 80掳C. In this work, catalysts are applied to related BN compounds such as metal amidoboranes, MNH2BH3 (M = Li, Na), and metal borohydride ammoniates, [M(BH4)3(NH3)4] (M = Y, La, Ce), and we combine theory and experiment to elucidate the diverse ...
Explain what is meant by hydrogen bonding. Describe the hydrogen bonding between two H2O molecules. Intermolecular Forces of Attraction:The intermolecular forces of attraction (IMFA) are the interactions occurring between molecules. These are much weaker than the chemical bonds but...
It is known that molecules or formula units are formed by the sharing of electrons (molecular bonds) or ionic charge attraction, respectively. Many compounds of chlorine are binary, where only chlorine as chloride bonds to one ion or atom....
What are the four families of hydrocarbons? Organic Compounds: Organic compounds are compounds that generally consist of carbon-hydrogen bonds. It may also be compounds with carbon atoms that are covalently bonded to elements such as oxygen and nitrogen. Furthermore, the study of the reactions, sy...
134K Study types of compounds and their properties. Compare the properties of each type of compound, and see the physical and chemical properties of a carbon compound. Related to this QuestionWhy is hydrogen important in our bodies? Why are hydrogen bonds important in the body? Why are hydro...