A 30.6 mL aliquot of weak acid that has a concentration of 0.553 M will be titrated with 0.874 M NaOH. Calculate the pH of of the solution upon the addition of 0 mL of HCl. The Ka of the acid is 8×10-6.

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

Explain that newton first law,second law and third law of motion?

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel