Помогите пожалуйста, срочно Умоляю химич 8 класс Крч задание Нужно расставить коэффициенты

Помогите пожалуйста, срочно
Умоляю химич 8 класс
Крч задание
Нужно расставить коэффициенты
- Предмет:
  Химия
- Автор:
  redbull
- 6 лет назад

Ответы 2

Спасибо ❤️
- Автор:
  celloat3i
- 6 лет назад
- 0
14)2H2+O2-2H2O
16)2NH3-N2+3H2
20)CuBr2+2NaOH-Cu(OH)2+2NaBr
21)2Fe+3H2O-3H2+Fe2O3
22)Fe+2HCl-FeCl2+H2
23)2NH3-N2+3H2
24)2Fe+3Cl2-2FeCl3
25)N2+O2-2NO
26)2Mg+O2-2MgO
27)2Cu+S-Cu2S
29)2HY-Y2+H2
31)MnO2+2H2-2H2O+Mn
33)2Ag+S-Ag2S
34)C2H4+3O2-2CO2+2H2o
36)2P+3Cl-2PCl3(тут скорее всего была опечатка)
все реакции,которые я не написала без коэффицентов или реакции повторяются
- Автор:
  maria43
- 6 лет назад
- 0
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Children splash out on snacks.

Children in the UK spend £13 a week, with the biggest proportion of their
spending going on sweets, snacks and drinks, according to official figures released
today.
In 2002-03 and 2003-04, the nation's seven to 15-year-olds spent an average of
£2.30 a week on snack-type food and a further £2.30 on other food - including
school meals and takeaways - according to figures from the Office for National
Statistics (ONS). These two categories made up 36% of their spending.
Clothing and footwear accounted for £2.00 of their cash, while games and hobbies
cost them £1.70, 80p of which went on electronic games and software. Mobile
phone costs represented just 50p of the £13.00 total.
Young teenagers were the biggest spenders, with girls aged between 13 and 15
spending an average of £21.50 a week and boys of the same age group spending
£20.40. Children aged seven to nine spent an average of £7.00 a week, while 10 to
12-year-olds spent £11.00.
The average weekly spend on confectionery, snacks and drinks among young
teenagers was £6.80 - over a quarter of their total spend.
Young teenage girls were the biggest spenders on mobile phones, averaging £1.50
a week compared with an average spend of 90p among their male peers, while
young boys spent a larger proportion of their money on games and hobbies (35%).
Spending by children contributed to an average family outlay of £418 a week in
2003-04, according to the ONS's annual review of family spending.
Its expenditure and food survey of around 7,000 UK households revealed that the
bulk of spending went on transport, accounting for £61 a week.
This included £28.10 spent on the purchase of a vehicle and £23.80 spent on
running it. Public transport accounted for just £8.80 of the weekly spend.
Recreation was the next biggest outlay, with £57 a week going on TVs, computers,
newspapers, books, leisure activities and holidays.
Package holidays abroad cost families an average of £11.60 for each week of the
year, while just 80p a week went towards package holidays in the UK.
Total expenditure varied according to the size of the family and where it lived. In
London, the average weekly spend was £486, compared with £336 in the northeast.
Households consisting of three or more adults spent an average of £686 a week,
while the 'average' family of two adults and two children spent £611.
For the first time the ONS looked into the amount spent by households on housingrelated
costs.
It found that £116 of family spending went towards running a property, with an
average of £39 a week spent on mortgage repayments, £23 on alterations and
improvements, £20 on council tax, water charges and other service charges and
£13 on rent.
When only households paying mortgages were put under the spotlight, the average
weekly spend on repayments was found to be £97.
Households in London paid £134 a week - 31% more than the national average -
while those in the north-east spent just £58 to service their mortgage.
- Предмет:
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- 6 лет назад
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Продифференцировать функцию у=3sin^2x - sin^3x ребята, распишите подробно, прощу вас, пожалуйста
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Помогите пожалуйста, срочно Умоляю химич 8 класс Крч задание Нужно расставить коэффициенты

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Помогите пожалуйста, срочно
Умоляю химич 8 класс
Крч задание
Нужно расставить коэффициенты