Предмет: Химия, автор: Inzilya52

Какой объём кислорода необходим для полного сжигания 30 литра водорода

Ответы

Автор ответа: pr8crastinati8n

0

O2+2H2=2H2O
n(H2)=VVm=3022,4=1.339моль
1:2
1,3392=0,669моль O2
0,669*22,4=14,985л ≈ 15л

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Алгебра, автор: voronovak990

Срочно!! Плис помогите

6 лет назад

Предмет: Окружающий мир, автор: pirovazebi

Привели примеры одних и тех же тел, сделанных из разных веществ.

6 лет назад

Предмет: Английский язык, автор: bakstsemyon

Помогите пожалуйста Put the verbs in the brackets into the Present Simple/Present Continuous/Present Perfect/Present Perfect Continuous. 1.I ____________(love) this city very much! 2. She ____________________(live) in this city for 6 years. 3. He ____________________(learn) English for 10 years. 4. I ______________________(not/see) this film before. 5. What time _____you ___________ (leave) tomorrow? 6.He _________________(dance) since the party started. 7.I ____________________(already/do) my homework. 8. Who is she? I ________________(not/know) her. 9.My family ________________(move) to a new country next Friday. 10.It ________________________(rain) since yesterday. 11. _______you __________ (ever/be) to France? – No, I haven’t 12. When _________the concert____________ (start)? – At 10 p.m. 13. ______ she _________(ever/play) a musical instrument? 14. He looks so tired because he __________________________ (work) in the garage all morning. 15. I ____________________ (feel) quite stressed out at the moment. 16. What ______ you _______________(usually/do) in your free time? 17. Are you OK? I ________________(want) to help you. 18.Why ______ you _____________(taste) the soup? – I want to know if it needs salt or not. 19. I _____________(believe) Morgenstern is not a good singer at all! 20. We ____________(do) a test on the Present Tenses right now. 21. How often ______ you _____________(go) out with your friends? – Twice a week. 22.How often ________she _____________(do) the ironing? – Every day. 23. I ________________(travel) to Italy on the 21st of September. Do you want to join me? 24. What has happened to him? He _______________(look) terrible. 25. I _______________________(work) on this project since last summer. Name ________________________________________________________ Put the verbs in the brackets into the Present Simple/Present Continuous/Present Perfect/Present Perfect Continuous. 1.I ____________(love) this city very much! 2. She ____________________(live) in this city for 6 years. 3. He ____________________(learn) English for 10 years. 4. I ______________________(not/see) this film before. 5. What time _____you ___________ (leave) tomorrow? 6.He _________________(dance) since the party started. 7.I ____________________(already/do) my homework. 8. Who is she? I ________________(not/know) her. 9.My family ________________(move) to a new country next Friday. 10.It ________________________(rain) since yesterday. 11. _______you __________ (ever/be) to France? – No, I haven’t 12. When _________the concert____________ (start)? – At 10 p.m. 13. ______ she _________(ever/play) a musical instrument? 14. He looks so tired because he __________________________ (work) in the garage all morning. 15. I ____________________ (feel) quite stressed out at the moment. 16. What ______ you _______________(usually/do) in your free time? 17. Are you OK? I ________________(want) to help you. 18.Why ______ you _____________(taste) the soup? – I want to know if it needs salt or not. 19. I _____________(believe) Morgenstern is not a good singer at all! 20. We ____________(do) a test on the Present Tenses right now. 21. How often ______ you _____________(go) out with your friends? – Twice a week. 22.How often ________she _____________(do) the ironing? – Every day. 23. I ________________(travel) to Italy on the 21st of September. Do you want to join me? 24. What has happened to him? He _______________(look) terrible. 25. I _______________________(work) on this project since last summer.

6 лет назад

Предмет: Алгебра, автор: Lika32

ПОМОГИТЕ ПЛИЗЗЗЗЗ!!!!
мне на понедельник, кто чем может

9 лет назад

Предмет: Химия, автор: julitochka

Помогите с химией пожалуйста !!
Определите степень окисления каждого элемента в следующем соединении
K2NaPO4

9 лет назад