6. 當體積減小(壓力增加)時,下列哪一個反應會向右移動?(A)N2(g) + 3H2(g) ⇌2NH3(g)(B)H2(g) + Cl2(g) ⇌2HCl(g)(C)2SO3(g)⇌ 2SO2(g)+ O2(g)(D)2HI(g) ⇌H2(g)+I2(g)