yesimabadbih8535 yesimabadbih8535 08-12-2022 Chemistry contestada Without doing any calculations, determine the sign of ΔSsys for each of the following chemical reactions. 2KClO3(s)→2KCl(s)+3O2(g) ΔSsys<0 ΔSsys>0 CH2=CH2(g)+H2(g)→CH3CH3(g)