How many moles of oxygen are in a 125 L container at 2.21 atm and 246 K? a) 22.4 mol
b) 12.4 mol
c) 150 mol
d) 5.5 x 10^3 mol

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

The grooves or folds of the brain are called