3.0 mol of NaOH is dissolved in 2.5 L of water, what is the molarity of the solution?
A. 120 M
B. 40 M
C. 3M
D. 1.2 M

Define a is a tiny pavket of energy

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?

)in the deacon process for the manufacture of chlorine, hcl and o2 react to form cl2 and h2o. sufficient air (21 mole% o2, 79% n2) is fed to provide 35% excess oxygen, and the fractional conversion of hcl is 85%. calculate the mole fractions of the product stream components.