A substance composed of two or more elements chemically combined is called a mixture判断正误尤其是element和chemically

A substance composed of two or more elements chemically combined is called a mixture判断正误尤其是element和chemically 英语翻译It is composed of tightly packed collagen fibers fixated by aground substance matrix reinforced by elastin. parts在化学剂量中怎么理解如5-35 parts by weight of antimony pentoxide.前面涉及主要成分是100parts,“100 parts by weight of a principal constituent composed of a halogen-containing polymeric substance and polyvinyl alcohol in a wei It was an exhibition____French paintings.A.composing of B.composed C.composed of D.made of Love is composed of a single soul inhabiting two bodies. This music ____ by a young pianist.A:was composed B:has composed C:were written D:has written This music ____ by a young pianist.A:was composed B:has composed C:were written D:has written 英语翻译The characteristic physical properties of a substance are those that identify the substance without causing a change in the composition of the substance.They do not depend on the quantity of substance.谁能帮我翻译一下? 课本里写“One particular type of matter is called a substance”,那么matter和substance有什么区别?若substance是matter的一种,那么还有matter还有那些types? The mass of 0.02mol of a substance is 0.88g1.what is the molar mass of this substance?2.what is its chemical formula? a small wooden or paper stick with a special substance at the top 求翻译Love is composed of a single soul inhabiting two bodies This piece of music was composed by a very famous blind( music)______.填空 翻译As was pointed above,this substance can be used as a substitute. During which phase change is heat energy absorbed by a substance? badly-composed什么意思 foreign substance是什么意思 Substance dependence什么意思