Calculate how much heat was released if 25 kg of coal burned? Thermochemical equation of the reaction: C + O2 = CO2 + 402.24 kJ

univerkov | November 26, 2020 | education

Upon combustion of 1 mol C, we obtain 402.24 kJ
There was a total of 25 kg of coal
Find the number of moles of coal
n = m / M = 25000/12 = 2,083.3 mol
Quantity of heat
Q = 2083.3 × 402.24 = 838 MJ

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.