Write a nuclear equation for the alpha decay of 23892u.23892u → 0−1e + 23893np23892u → 10n + 23792u23892u → 42he + 23490th23892u → 0−1e + 23891pa23892u → 0+1e + 23891pa

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

One similarity and one difference between an element and a mixture of elements