Iam doing an experiment that calls for 200g of h₂so₄. how many moles of h₂so₄ is this? show your work. * 2 points 19,614 moles 2.02 moles 6.02x10²³ moles 7 moles

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)

Light waves are as they pass through the

If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?