Suppose that 37. 8 ml of an agno3 solution was needed to precipitate all of the cl– ions as agcl in an 805 mg sample of kcl. What is the molarity of the agno3 solution?.

Why do you think electric energy for households is generally supplied by power plants instead of by an electric generator at home.

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

Blank is the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound