Assume trilobites went extinct 248 million years ago. If a trilobite is found in a rock layer, what do you
know about the age of that rock layer?

The conventional equilibrium constant expression (kc) for the system below is: 2icl(s) ⇄ i2(s) + cl2(g) [cl2] ([i2] + [cl2])/2[icl] [i2][cl2]/[icl]2 none of the listed answers are correct [i2][cl2]/2[icl]

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?