Предмет: Химия, автор: DianaKuts

В результате горения алкана получили СО и пары воды. Отношение обьёма реагентов, измеренные в таких же самых условиях ( температура, давление) выносит V (CxНy) : V (О2) = 2:13. Определите алкан,участвующий в реакции.

Ответы

Автор ответа: Аноним

Ур-е-схема р-ии сгор-я алкана до CO и H2O:

CnH2n+2 + (n+0.5)O2 = nCO + (n+1)H2O;

по условию, n+0.5 = 13/2 = 6.5, откуда n = 6;

ф-ла алкана - C6H14.

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