About how long did it take our solar system to look the way it does today? 1. 50 thousand years
2. 500 thousand years
3. 50 years
4. 500 million years

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

Explanation for basic character?

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years