1. A turbojet engine flies with a speed of 880 km/h. Mass-flow rate of air is 50 kg/s. The…
English chemist William Henry studied the amounts of gases absorbed by water at different temperatures and under different pressures. In 1803, he stated a formula, p = kHc, which related the concentration of the dissolved gas at a constant temperature to the partial pressure of that gas in equilibrium with that liquid. This relationship describes a scientific a. hypothesis b. law c. observation d. theory