In the combustion of 1 mole of methane, 890 kJ of heat is released. How much heat is released when 4.48 liters of methane (at STP) is burned?
- 890 kJ
- 445 kJ
- 178 kJ
- 89 kJ
📝 Batafsil tushuntirish
n(CH₄) = 4.48 / 22.4 = 0.2 mol.Heat = 0.2 * 890 kJ = 178 kJ.