Составить сложные предложения с наречиями:дополна,досыта,допоздна, впустую

Составить молекулярное и ионное уравнения

сульфат натрия

оксид железа 2

азотная кислота

гидроксид калия 

Обладая некоторой начальной скоростью, тело движется с ускорением 2 м/с в квадрате .В течение 5 с оно проходит путь 125 м . Определите начальную скорость тела.

ребят,помогите пожалуйста(

This is part of a letter from Adam,your english pen friend,whom you are going to visit in summer ...As for me,I am crazy about skateboarding and I love rock and pop music.I think my favourite band at the moment is Radiohead.Do you know them?What kind of things do you like doing and what music do you enjoy? Is there anything you particularly want to do while you are here?I guess you will be busy at the language school during the day,but we can do something in the evenings and at weekends.Also,let me know if there are any kinds of food you do not like Write back to Adam In your letter -answer his questions -ask 3 questions about his family and the language school Write 100-140 words Remember the rules of letter writing

Яку роботу виконують корисні бактерії?