2. A 96 gram sample of a radioactive substance is left undisturbed for 21.0 hours. After this time, only 3.0 grams remain. What is the half-life of the substance

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

Compare and contrast physical changes with chemical changes.

Which formula can be used to calculate the molar mass of hydrogen peroxide