- **B) called**:过去分词表被动,“被称作”,正确表达“particles被命名为molecules”的事实,符合被动语义。- **C) being called**:现在分词被动进行态,强调动作正在进行,但此处为普遍科学事实,无需进行时态,语法冗余。- **D) have called**:完成时主动态,无法作定语且主语需为主动执行者,与“particles”...
Water is made up of tiny building blocks called atoms.When atoms join together, they make molecules. The molecule that makes up water is called H2O.To find out where water came from, we have to go back to the beginning of the universe. Hydrogen (氢), one of the things that make up ...
Journal of Computational ChemistryWhat is the minimum number of water molecules required to dissolve a potassium chloride molecule?. Sen Anik,Ganguly Bishwajit. Journal of computational chemistry . 2010Sen A, Ganguly B (2010) What is the minimum number of water molecules required to dissolve a ...
Why are living things mostly made of water? Why is solubility important to life? Why are covalent bonds important in living things? What is the most important reason for the unusual properties of water? Why are water molecules attracted to each other?
What is an atom made up of? What is a chemical element? What is the term used for substances that attract water molecules? Which form of water is the most important for life (from the 3 states you can find water)? What are the dissolved components in seawater? What was the first elem...
(a) Describe the arrangement, separation and motion of gas molecules.arrangementseparationmotion 相关知识点: 试题来源: 解析 (a) 描述气体分子的排列、分离和运动。 ### 排列 气体分子的排列是非常松散的,它们之间的距离相对较大,没有固定的位置,可以自由地在容器中移动。气体分子之间的相互作用力较弱,不足...
“It is truly exciting to directly witness, in a picture, water molecules being released from icy dust particles,” says Elizabeth Humphreys, an astronomer at ESO who also participated in the study. The dust grains that make up a disc are the seeds of planet formation, colliding and clumping...
The water on the salty side is highly pressurized to drive water molecules,but not salt and other impurities,to the pure side.In essence,this process pushes freshwater out of saltwater.Most desalination research over the past few years has focused on reverse osmosis,because the filters and other...
Water molecules localized to a hydration shell in the vicinity of a biomolecular “surface” are sometimes referred to as “bound water,”“interfacial water,” or “hydrated water.” These water molecules exhibit dynamic properties that deviate strikingly from those of bulk water8. The different ...
Water (H2O) is made from 2atomsof hydrogen and 1 atom of oxygen. A mole of water molecules would be 2 moles of hydrogen atoms plus 1mole of oxygenatoms. From theperiodic tablewe see theatomic weightofhydrogenis 1.0079 and the atomic weight ofoxygenis 15.9994. ...