解析 (a) The molecules in a gas are further apart and can be pushed closer together. The molecules in a liquid are closer together and cannot be pushed closer together. 气体分子间距较大,分子间作用力较弱,因此可以被压缩。液体分子间距较小,分子间作用力较强,因此不易被压缩。
经典例题: Additional social stresses may also occur because of the population explosion problems arising from mass migration movements—themselves made relatively easy nowadays by modern means of transport. 参考译文: 由于人口的猛增或大量人口流动(现代交通工具使大量人口流动变得相对容易)所造成的种种问题也会...
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新加坡Olevel化学题suggest whya)a soild has more mass than the same volume of gasb)a gas is easier to compress than a solidc)a gas,at constant pressure,increases greatly in volume when it is gently heated,but a soild does notd)a liquid takes the
Heat, cool, and compress atoms and molecules and watch as they change between solid, liquid, and gas phases. Click to download the simulation. Run using Java. Section Summary A fluid is a state of matter that yields to sideways or shearing forces. Liquids and gases are both fluids. Fluid...
And second, a thinner, clearer liquid which probably emerges from the urethra in larger quantities during squirting orgasms. So what’s the truth? Around a woman’s urethra there’s some tissue which resembles the prostate gland tissue of men. This is variously known as the paraurethral sponge...
aIn the throat mixing process the transfer of momentum from the liquid serves largely to compress the gas, in contrast with the liquid-liquid (LL) jet pump throat in which significant momentum transfer is involved in increasing the kinetic energy of the secondary liquid stream 介入的在 [...
A leaf filter for filtering solid particles from a liquid in a pressure tank. The leaf filter includes a metallic frame with a perimeter adapted to fit within the pressure tank. A flange with at least one groove in each outer surface, projects planar around the outer perimeter of the frame...
aIn the throat mixing process the transfer of momentum from the liquid serves largely to compress the gas, in contrast with the liquid-liquid (LL) jet pump throat in which significant momentum transfer is involved in increasing the kinetic energy of the secondary liquid stream 介入的在[translate...