Which activity demonstrates chemical weathering? A= dissolving of limestone by acid rain
B= grinding of talc into a powder
C=freezing of water in the cracks of a sandstone sidewalk
D= abrasion of a stream bed by tumbling rocks

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

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)

Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?