____千克
下列光现象与其成因对应正确的是( )
The watch ____ ____ ____China.
ClO2遇浓盐酸会生成Cl2,反应方程式为2ClO2+8HCl=5Cl2+4H2O,该反应中若转移电子的数目为9.632×1023,则产生的Cl2在标况下的体积为( )
________ Joe ________ Steve may go camping with you on Tuesday, because they are not allowed to go out on school days.