Предмет: Физика, автор: Capibar

Чому маса золи менша за масу вугілля?


Capibar: Таке ще питання до попереднього: Чи можна сказати, що закон Лавуазьє не дотримується?

Ответы

Автор ответа: student7513
1

Ответ:

Объяснение:

Маса вуглецю при згоранні повністю перетворюється на диоксид вуглею та водяний пар, затверджуючись як зола. Маса золи менше за масу вуглецю, оскільки водяний пар легко вибухає, віднімаючи масу.


Capibar: Таке ще питання до попереднього: Чи можна сказати, що закон Лавуазьє не дотримується?)
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ДОПОМОЖІТЬ ДУЖЕ ПОТРІБНО даю 73 бала!!!
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Завдання:

1. Знайдіть і позначте на контурній карті найбільші райони видобування:

• нафти – Гвінейський басейн (Нігерія, Ангола, Екваторіальна Гвінея, Габон, Камерун, Гана),
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• руд чорних металів – родовища залізних руд (ПАР, Ліберія, Мавританія, Алжир і Єгипет);

• руди кольорових металів – родовища мідних руд (Африканський мідний пояс – Демократична
Республіка Конго, Замбія), ПАР; алюмінієвих руд (Гвінея, Сьєрра-Леоне, Гана, ПАР).

2. За тематичними картами атласу визначте місцерозташування і позначте на контурній
карті найбільші райони переробки нафти, збагачення залізних, мідних та алюмінієвих руд.

3. Назвіть основні порти, якими з Африки здійснюється експорт нафти і нафтопродуктів,
залізної, мідної та алюмінієвої сировини.

4. Позначте маршрути транспортування нафти, залізних, мідних та алюмінієвих руд з країн
Африки.

5. Зробіть висновок про вплив основних чинників на розміщення добувних галузей
спеціалізації країн Африки.

Методика виконання роботи

На контурну карту нанесіть кордони і напишіть назви країн, що
згадуються в завданнях.

Виділіть басейни.

В межах даних країн відповідними умовними знаками позначте
поклади корисних копалин, зазначені в завданнях, та райони,
центри їхньої переробки.

Назвіть основні порти (2-4 порти).

Пунктирними лініями покажіть шляхи транспортування даних
збагачених корисних копалин з зазначенням макрорегіонів та
основних країн, до яких транспортується.

Напишіть одним-двома реченнями висновок.