With the complete combustion of kerosene, 42 kJ of energy was released, which mass of kerosene burned out.
| January 4, 2021 | education
Calorific value:
Q = qm
Where Q is the heat, q is the specific heat of combustion, m is the mass of the burned
Given: Q = 42 kJ
q = 40.8 MJ / kg
We translate into SI
42 kJ = 42000 J
40.8 MJ / kg = 40800000 J
Decision:
Q = qm
Express m
m = Q / q
m = 42000 J / 40800000 J
m = 0.001 kg
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