Plz help me !!! I'm stuck

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)