1,2,3 пожалуйста, очень надо . Хотя бы несколько сделайте

1) has gone2) have done3) has seen4) have taken5) has written6) have given7) have eaten8) has put9) have translated 10) have beenНаверно так

1) 2Сu + O2 = 2CuOCuO + 2HNO3 = Cu(NO3)2 + H2OCu(NO3)2 +2 NaOH = Cu(OH)2 + 2NaNO3Cu(OH)2 = CuO + H2OCuO + H2SO4 = CuSO4 + H2O

13•46)*£va3221&(❗️⁉️❓❔❕❕❔