Properties of water equal to that of the hydrogen ion (), which gives a pH of 7 at 25 °C. Action of water on rock over long periods of time typically leads to weathering and water erosion, physical processes that convert solid rocks and minerals into soil and sediment, but under some conditions chemical reactions with water occur as well, resulting in metasomatism or mineral hydration, a type of chemical alteration of a rock which produces clay minerals. It also occurs when Portland cement hardens. Water ice can form clathrate compounds, known as clathrate hydrates, with a variety of small molecules that can
In the Water in Rome, where the children, Eugene and Julius were born. The family relocated to Venice when Karl became professor at the Academy of Venice. Eugene de Blaas art was well received in England, he exhibited regularly at the Royal Academy, the Grafton Gallery and the New Gallery. In the Water In the Water () is an oil on cradled panel painting of a skinny dipping young woman by Eugene de Blaas. This painting is the only nude picture created by de Blaas, as all his other subjects are fully clothed. It is 78.4 cm high and 44.5 cm tall. The