The pressure and volume of a fixed mass of gas _ are related. if one decreases, the other ___ ___ this relationship is known as ___ ___ law. the volume of a fixed ___ ___ of a gas is directly proportional to its ___ ___ temperature. this relationship is known as ___ ___ law. ___ ___ law states that the pressure of a gas is ___ ___ proportional to the kelvin temperature if the volume remains constant. these three separate gas laws can be written as a single expression called the ___ ___ gas law. it can be used in situations in which only the ___ ___ of gas is constant.
