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🎈 理想气体状态方程计算器Ideal Gas Law Calculator
PV = nRT：填写压强、体积、物质的量、温度中的三个，计算第四个。PV = nRT: enter three of pressure, volume, moles and temperature to solve for the fourth.
使用说明与常见问题How-to & FAQ
「理想气体状态方程计算器」是什么？What is the Ideal Gas Law Calculator tool?
PV = nRT：填写压强、体积、物质的量、温度中的三个，计算第四个。PV = nRT: enter three of pressure, volume, moles and temperature to solve for the fourth.
如何使用「理想气体状态方程计算器」？How do I use the Ideal Gas Law Calculator tool?
在「理想气体状态方程计算器」中，填写「压强 kPa」、「体积 L」、「物质的量 mol」、「温度 °C」等参数，结果会随输入实时计算并显示在下方。In the Ideal Gas Law Calculator: Fill in "Pressure kPa", "Volume L", "Moles mol", "Temperature °C"; results are recalculated instantly as you type.
计算结果可以用于作业或工程吗？Can I use the results for homework or engineering?
「理想气体状态方程计算器」使用教科书标准公式（公式写在说明和常见问题中），适合学习和估算核对；涉及安全的工程设计请以规范和实测为准。The Ideal Gas Law Calculator uses standard textbook formulas (given in the description and FAQ), which is good for learning and checking estimates; for safety-critical engineering follow codes and measured values.
「理想气体状态方程计算器」免费吗？需要注册吗？Is the Ideal Gas Law Calculator free? Do I need an account?
「理想气体状态方程计算器」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Ideal Gas Law Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.