A.正确 B.错误 点击查看答案 判断题 /h/ 的发音口形的大小取决于紧随其后的音标,例如,how 和 who。 正确 错误 点击查看答案 问答题 Even in the [填空1] heart of its largest city, religion remains central to life in Myanmar. (commerce, commercial, commercialize) 点击查看答案...
The mole is an important quantity because it is also considered as a state function, which means that we can relate it to other thermodynamic properties that are important such as pressure, volume, and temperature. Answer and Explanation: 1 One mole of atoms can be defined by Avogadro's ...
Two atoms of hydrogen combine with one atom of___ (氧气) to form a molecule of water. 答案 答案是oxygen.本题考查语境中选用恰当的词或短语;oxygen n. 氧气;氧;不可数;one atom of oxygen一个氧原子;故答案是oxygen. 结果二 题目 【题目】Two atoms of hydrogen combine withone atom of_(氧气) ...
What is the mass of(a)6x10^23 atoms of O(b)6x10^23 atoms of O2(c)one mole of carbon dioxide,CO2(d)two mole of silver,Ag(e)0.2 moles of silver,Ag 相关知识点: 试题来源: 解析 a)6x10^23即是1mol,即1mol原子的氧元素.质量为16*1=16gb)1mol氧原子的氧气质量为 16*1=16g...
How many atoms are in 56.5 grams of carbon-12? What is mass number of an atom? What is the mass of one mole of 37Cl atoms if the exact mass of one 37Cl atom is 36.966 amu? What is the mass in grams of 6.022 times 10^23 atoms of mass 16.00 amu? If the atomic mass of an ...
What is the mass of(a)6x10^23 atoms of O(b)6x10^23 atoms of O2(c)one mole of carbon dioxide,CO2(d)two mole of silver,Ag(e)0.2 moles of silver,Ag 扫码下载作业帮拍照答疑一拍即得 答案解析 查看更多优质解析 举报 a)6x10^23即是1mol,即1mol原子的氧元素.质量为16*1=16gb)1mol氧...
how many moles of hydrogen atoms in one mole of c 4 h 1 0 ? create a conversion factor from the equity here's the best way to solve it. solution share to determine the number of moles of hydrogen atoms... view the full answer previous question ...
aThe first ionisation energy of an element is the energy required to remove one electron from each atom in a mole of atoms of the element in the gaseous state 元素的第一游离能是要求的能量从每个原子去除一个电子在元素的原子痣在气体状态 [translate] ...
The quantity of amphiphilic organic acid used, expressed in number of moles of acid per mole of oxide (lato sensu) may vary over wide limits between 1/10 and 1 mol per atom of rare earth. The upper bound is not of a critical nature, but it is not necessary to involve more acid. Pr...
Does a fission reaction release one-fourth of the amount of energy released in a fusion reaction? Nuclear reactions The nuclear reactions are characterized by fission and fusion reactions. Fission and fusion are known as splitting and combination reactions respectively. A...