dudelovepeacesike dudelovepeacesike

14-11-2016
Chemistry

contestada

In the reaction C7H16 + __O2 → 8H2O + 7CO2, what coefficient should be placed in front of O2 to balance the reaction?

7
8
11
no coefficient is needed

Respuesta :

MartianManiac MartianManiac

14-11-2016

the answer is 11
11 O2 is 22 oxygen atoms
8 H2o means there is 8 atoms of oxygen needed here
7 CO2 means you need 14 oxygen atoms here
14 Pkus 8 is 22

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auriwhite05 auriwhite05

30-11-2018

The answer is:

C. 11

Hopes this helps:)

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