Math Problem Statement
Gas propana, C3H8 dibakar dengan oksigen secara sempurna. Kalor yang dilepaskan pada pembakaran 1 mol propane pada tekanan tetap adalah 1200 kJ
• Tuliskan persamaan kimia yang setara dari reaksi pembakaran tersebut.
• Hitung kalor yang dihasilkan dari pembakaran 250 gram propane
• Berdasarkan soal dio atas (poin 1), apakah sistem menerima atau melakukan kerja?
Solution
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Math Problem Analysis
Mathematical Concepts
Stoichiometry
Thermochemistry
Formulas
Combustion reaction: C3H8 + 5O2 -> 3CO2 + 4H2O
Molar mass calculation: molar mass of C3H8 = (3 * 12) + (8 * 1) = 44 g/mol
Heat released (q) calculation: q = moles * enthalpy change per mole
Theorems
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Suitable Grade Level
Grades 10-12
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