If it takes 0.0393 L of oxygen gas kept in a cylinder under pressure to fill an evacuated 1.05 L reaction vessel in which the pressure is 0.980 atm, what was the initial pressure of the gas in the cylinder

What is the number of atoms in 3.54 mol s

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution