drug suspension decomposes by zero-order kinetics with a rate constant of 2 mg ml-1 month-1. of the initial concentration is 100 mg ml-1, what is the shelf life (t10%)?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?