Use the following equation to answer this question. 2KNO3 --> 2KNO2 + O2. How many grams of O2 can be produced from 20 moles of KNO3? *

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry

What is bromine+calcium iodide--> calcium bromide +iodine balanced

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?