Предмет: Физика, автор: няшка242

5 задачу помогите решить, плиз

Приложения:

Ответы

Автор ответа: boqdantaqirov

0

(Дано)Δ∪=0,2МДж=200000 ДЖ
Aгаза=400кДЖ=400000 ДЖ
Найти:Q-?
Решение:
Δ∪=A+Q;A=-Aгаза+Q
Q=Δ∪+Aгаза
Q=200000 Дж+400000 Дж
Q=600000=600 кДЖ

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: zlotay0rubka

1. Accidents ... often by carelessness.

1 cause 3 are causing

2 are caused 4 have been caused

2. Mrs Black ... just ... some tea.

1 are making 3 are made

2 made 4 has made

3. The woman ... ... to hospital yesterday.

1 was taking 3 was taken

2 has been taken 4 had taken

4. I ...... the letter yet.

1 wasn’t sent 3 hadn’t sent

2 didn’t send 4 haven’t sent

5. The problems ... still ... ... .

1 have discussed 3 were discussed

2 are being discussed 4 discussed

6. Many houses ... ... in Kyiv every year.

1 are built 3 build

2 are building 4 were built

7. The telegram ... ... tomorrow.

1 will send 3 will be sent

2 have sent 4 has been sent

8. The book ... ... ... ... by the end of the month.

1 will have been published 3 are publishing

2 is published 4 will publish

9. Many people ... ... during the Second World War.

1 killed 3 were killed

2 were killing 4 had been killed

10. Whisky ... ... in Scotland.

1 make 3 is made

2 was making 4 has been made

11. This room ... ... last night.

1 was cleaned 3 is cleaning

2 has been cleaned 4 had cleaned

12. The train ... already ... when he arrived at the station.

1 is left 3 had left

2 is leaving 4 left

13. They ... ... ... the Olympic City by 1996.

1 will build 3 will be built

2 will have built 4 will be building

6 лет назад

Предмет: Окружающий мир, автор: noronorop56

описание яркое фотки
река аракс на фоне горы Арарат

6 лет назад

Предмет: Английский язык, автор: shinigami93

1. Write the Tag – questions
• Your sister is not married, ......................?
• You found my keys, ............................?
• I am very smart, .................................?
• Jack did not pass his exams, .................. ..?
• Our love will last forever, ..................... ..?
• You have never been to China, ................?
• Sandra has already got up, ......................?
• My coffee and croissants are not cold, ....... ....?
• They will not spend all their money, ...............?
• Tim is fond of table tennis, ..................... ..?
• This palace was built in the 16 th century, ..........?
• Her son often rides a horse in the country, ..........?
• The waiters were not polite, ............... .. ....?
• You prefer seafood, ...............................?
• The students do not speak French, ................?
• She can not play the violin, ........................ ...?
• They can see the mountains from the window, ..........?
• Your boyfriend does not earn much, .................. .. ....?
• We must talk to our neighbors, ......................... ....?
• The train must not arrive late, ...............................?
2. Use Past Perfect Tense
 I lost the key that he (give) _____to me.
 She told me that she (see) ___ the film .
 I went outside as I (hear) ___ a noise.
 She picked out the red dress, which she (not / wear) ___ for ages.
 Mike (not / swim) ____ in the beach before that day.
 His father was angry because he (not / help) ____ him.
 (you / have) ____ dinner before you left the house?
 (he / manage) ____to find a place to stay when he went to Paris?
 Where (she / stay) ____before she moved to live with her boyfriend?
3. Put what tipe of film is this.
1) a play characterized by its humorous or satirical tone and its depiction of amusing people or incidents, in which the characters ultimately triumph over adversity.
2) a film that has a lot of exciting action and adventure
3) a film or TV show made by photographing a series of gradually changing drawings or models, so that they look as if they are moving
4) a story about strange and frightening things that is designed to entertain people
5) a type of book, film, etc. that is based on imagined scientific discoveries of the future, and often deals with space travel and life on other planets
6) connected with music; containing music
7) about people and events in the past
8) a book, play or film with an exciting story, especially one about crime or spying

6 лет назад

Предмет: Алгебра, автор: nataprosolova1

6х - ( 2х -5)=2×(2х + 4 )

9 лет назад

Предмет: Математика, автор: Viktoriya1106

№ 14 ( б.) Для новогодних подарков купили 184 мандарин и 138 яблок. Какое наибольшее число одинаковых подарков можно подготовить из этих фруктов? С ПОЯСНЕНИЯМИ И С РЕШЕНИЕМ СРОЧНО!

9 лет назад