A soft keyboard (sometimes called an onscreen keyboard or software keyboard) is a system that replaces the hardware keyboard on a computing device with an on-screen image map.
An ideal gas is defined as one in which all collisions between atoms or molecules are perfectly eleastic and in which there are no intermolecular attractive forces. One can visualize it as a collection of perfectly hard spheres which collide but which otherwise do not interact with each other.
State the combined gas law. To define combined gas law is the combination of the laws of Boyle, Charles and Gay-Lussac with the definition of a mole in a single equation that describes the action of gases when one or more of the gas's physical characteristics undergo change..