Solution of task 91 of Chemistry Book Shimanovich 2003

If the total amount of your purchases from the seller Михаил_Перович more than:
- 20323 ₽ the discount is 15%
- 10161 ₽ the discount is 10%
- 5081 ₽ the discount is 7%
- 2032 ₽ the discount is 5%
- 1016 ₽ the discount is 3%
- 508 ₽ the discount is 2%
- 102 ₽ the discount is 1%

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91. Calculate how much heat will be released when 165 liters of n-acetylene C2H2 is burned, if the combustion products are carbon dioxide and water vapor?

Answer: 924.88 kJ.