How many moles of oxygen must be placed in a 3.00 liter container in order to exert a pressure of 2.00 atmospheres at 25.0 degrees celsius? *

a.2.92 mol
b. 0.342 mol
c. 0.245 mol
d. 12.3 mol

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons