... didn't come with us……………………28 She'd have enjoyed it……………………… 29 They should have planned the expedition more carefully…………… 30 Lives were lost unnecessarily………………….31 She warned ... long…………………………………22 She doesn't believe you………………….23 It didn't matter very much……………….24 He shouldn't put so much salt in it…………………….25 Mary couldn't leave the children alone………………26 ... wouldn't like another drink………………31 Tom doesn't have to go to lectures…………… 32 Bill hasn't got a car……………33 Bill couldn't have prevented it…………….34 I needn't wait any longer…………….35...
... long…………………………………22 She doesn't believe you………………….23 It didn't matter very much……………….24 He shouldn't put so much salt in it…………………….25 Mary couldn't leave the children alone………………26 ... wouldn't like another drink………………31 Tom doesn't have to go to lectures…………… 32 Bill hasn't got a car……………33 Bill couldn't have prevented it…………….34 I needn't wait any longer…………….35 ... That's him over there…………………….10 George can leave his case here……………………….11 This will fit in your pocket……………………12 His wife has headaches quite often…………………13 She's got lovely blue eyes…………………...
... 2O2-10,080,1856=→0,5410,08 10,088 16m m ơNO3-+ 3e + 4H+ NO+2H2O0,3 0,1Ta cú mO2- = m chất rắn – m phoi sắt.Theo định luật bảo toàn (e) ta được:0,54 = 10,088m − + 0,3→ m = 12 (gam)Bài 110:...
... hai điện cực để:A. khí Cl2 không tiếp xúc với dung dịch NaOH.B. thu được dung dịch nước Giaven.C. bảo vệ các điện cực không bị ăn mòn.D. Cả A, B và C đều đúng.Câu 20: Các hệ số cân bằng...