СРОЧНО!!!Сочинение на тему "Злонравие Простаковой и ее последствия" 8 класс

Определите, какое количество дров потребуется для нагрева воды с температуры 10 градусов Цельсия до 100 градусов объемом 20 литров в алюминиевой кастрюле массой 2кг (начальные и конечные температуры кастрюли совпадают с водой). Только 10% энергии, выделяемой при сгорании тратится на нагрев.

ПЖ ПОМОГИТЕ

Exercise 2. Ask questions about the time of the action.

Models: They play football in summer. When do they play football?

Tom gets up at six. At what time does Tom get up?

1. They plant trees in autumn. 2. The teacher corrects our dictations in the evening. 3. John comes to school at eight. 4. Our family goes to the Crimea in July. 5. Her father usually comes home at five. 6. We listen to the news at ten oclock. 7. Their parents gather mushrooms in autumn. 8. The summer holidays begin in June. 9. The school year begins in September. 10. My working day starts at eight oclock