What is the numerical value of kc for the following reaction if the equilibrium mixture contains 0.035 m n2o4 and 0.19 m no2? n2o4(g)⇌2no2(g)

Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.