What is the name of the opposite stereoisomer of the molecule shown below?
A. cis-2-butene
B. 2-methylpropene
O C. 1-butene
O D. trans-2-butene

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)

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?