If an aspirin tablet contains 325mg aspirin, how many grams of aspirin does it contain?

Which substances have the lowest melting points: ionic covalent, or metallic

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

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.