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You could run the reaction, take solid iron gaseous oxygen, form iron oxide, measure the heat of formation of it, tabulate it.
你可以进行一个反应,用固态铁和氧气生成氧化铁，测量它的生成热，列成表格。
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The first thing I am going to do is I am going to convert the sodium into vapor.
第一步,我将要将固态的钠气化。
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Now in this particular reaction, I've got hydrogen gas, iron solid. Those already are elements in their most stable forms at room temperature and pressure.
特定的反应中，我有氢气,固态铁，这些都已经是,处于室温和常压下,最稳定的元素单质。
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Okay, what are the advantages of SSDs and how do they work.
固态硬盘的优点和工作原理是什么。
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Liquid metal. Solid metals melt and become a liquid metal like mercury.
液态金属，固态金属熔化,形成一种像水银一样的液态金属。
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Iron as an element is a solid. That's it's most stable state at room temperature and pressure, right, and so on. And then we can figure out heats of formation.
铁单质是固态,这是他在室温和常压下,最稳定的状态，然后我们,可以算出生成热，现在这个。
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This process is sublimation, solid to vapor.
从固态到液体的这个过程，叫做长华。
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And the triple point of water is 16K that temperature and pressure - there's a unique temperature and pressure where water exists in equilibrium between the liquid phase, the vapor phase, and the solid phase.
与水的三相点,我们定义它为273。,水的三相点,是一个特定的温度和压强,可以使水的液态，气态和固态三相共同达到平衡，三相点是液态。
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A molar enthalpy of or whatever, iron, as a solid at 298.15 Kelvin is zero.
98。15K下固态铁的，摩尔焓是零。
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