cau 1;khi tang ap suat tuc la tang so mol khi do can bang chuyen dich theo chieu giam so mol <=>chieu thuan
Khi tang nhiet do can bang chuyen dich theo chieu giam nhiet do,=>tuc la thu nhiet ma denta <0 <=>chieu nghich
cau2:denta<0 thi khi tang nhiet do can bang chuyen dich theo chieu giam nhiet<=>thu nhiet =>chieu nghich.Y con lai tuong tu
Cau3 : truong hop 1 :A la kl tu Mg=> truoc H2 A+ H2SO4->ASO4+ H2
Gia su co 1 mol A PHAN UNG => So molH2SO4 pu la 1 mol=>m dd H2SO4 la= 98/0,049=2000 ,M H2=2
=> M dd sau pu=A+1998=> m muoi =>kl can tim