SAT2化学题A solid cube of iron whose edge is 4 inches weight 20.8 lbs.What is the specific gravity of this sample of iron?Water weights 62.4 pounds percubic foot.(A)4.5(B)5.2(C)9.0(D)27(E)324实在是不懂这些单位如何换算,望高手给出

SAT2化学题A solid cube of iron whose edge is 4 inches weight 20.8 lbs.What is the specific gravity of this sample of iron?Water weights 62.4 pounds percubic foot.(A)4.5(B)5.2(C)9.0(D)27(E)324实在是不懂这些单位如何换算,望高手给出 一道sat2化学题,which molecule is a polar molecule?水,甲烷,二氧化碳 SAT2化学题,E项为什么不对? sat2数学求解a plane cuts through a cube in such a way that the plane passes through three of the cube's vertices, no two of which lie on the same edge. if the edge of the cube has a length of 1, what is the surface area of the smaller fragment of A large solid cube is assembled by gluing together idenical unpainted small cubic blocks .All six faces of the cube are then painted red .If exactly 27 of the small cubic blocks that make up the large cube have no red paint on them ,how many small cu lay a solid foundation 英语翻译The volume of a solid varies directly as the cube of its length.when the length is 3cm the volume is 108cm.Find the volume when the length is 5cm SAT2 Sat2 solid solid SAT2化学的一道判断题The entropy of a solid increases when it is dissolved in solvent BECAUSE it becomes less ordered.上面这句话是完全正确的,但谁能帮我解释一下为什么? a solid idea怎样翻译 a-cube entertainment 跟 cube entertainment 是什么关系啊子公司是 一个老板的意思吗？ 英语翻译A solid tetrahedron is sliced off a wooden unit cube by a plane passing through two nonadjacent vertices on one face and one vertex on the opposite face not adjacent to either of the first two vertices.The tetrahedron is discarded and the 这道流体力学题的正确答案是多少A 12-kg cube slides down an inclided plane making an angle of 30°with the horizontal.A fluid film 0.1mm thick separates solid and surface.The fluid viscosity is 0.04 newton-seconds per square meter.Assumi 1.A solid cube of iron whose edge is 4 inches weighs 20.8 lbs.What is the specific gravity of this sample of iron?Water weighs 62.4 pounds percubic food.2.Two electrons with the same nl and ml valuesa.must be in different atomsb.are in different orbi 一道ap化学题.50.which of the following represents acceptable laboratory practice?A.adding a weighed quantity of solid acid to a titration flask wet with distilled water.B.using 10 ml of standard strength phenolphthalein indicator solution for ti