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jengo97
@jengo97
June 2022
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Срочно 20 баллов, задача по химии!
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СnH2n+2 + (1,5n+0,5)O2 → nCO2 + (n+1)H2O
n (CO2) = V/Vm = 5,6/22,4 = 0,25 моль
n (CnH2n+2) = m/M = 3,6/14n+2
По уравнению реакции: (3,6/14n+2) = 0,25/n
n=5... получается пентан... С5Н12
C5H12 + 8O2
→
5CO2 + 6H2O
n (O2) = n (CO2)/5*8 = 0,25/5*8 = 0,4 моль
V (O2) = 0,4*22,4 = 8.96
л.
Ответ: С)...
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Answers & Comments
n (CO2) = V/Vm = 5,6/22,4 = 0,25 моль
n (CnH2n+2) = m/M = 3,6/14n+2
По уравнению реакции: (3,6/14n+2) = 0,25/n
n=5... получается пентан... С5Н12
C5H12 + 8O2 → 5CO2 + 6H2O
n (O2) = n (CO2)/5*8 = 0,25/5*8 = 0,4 моль
V (O2) = 0,4*22,4 = 8.96 л.
Ответ: С)...