Friday (9/9). Spillway gates will be opened at 10 a.m. Monday (9/12) to release 1,000 cubic feet per second through the spillway, which runs from the lake to the Lackawaxen River. The release rate will be increased gradually to 2,000 cubic feet per second, and held at that level.
Rust-compound Air-mixture Helium-element soil-mixture Sea water-mixture salt-compound An element is made of a single pure substance, matter-Helium, hydrogen, etc. A compound is a pure substance made of elements chemically put together. Not easily separated.
rock salt is a mixture of salts, therefore it is a mixture of compounds. It is not a pure compound or element. Distilled water is fairly pure compound. It ma contain small impurities of dissolved gases - mainly Oxygen from atmosphere. It is better defined as compound. Water is formed by combination of two elements - Hydrogen and Oxygen.