<span>50.2 kJ = 333 kJ/kg * mass of water
mass of water is 0.15075075075075075075075075075075 kg
therefore mass of unfrozen water is 0.10924924924924924924924924924925 kg</span>
Percentage O: 69.54
Percentage N: 30.46
Dividing each percentage by the components molecular weight:
Oxygen: 69.54 / 16 = 4.35
Nitrogen: 30.46 / 14 = 2.18
Ratio of nitrogen to oxygen = 1 : 2
Empircal formula: NO₂
Mass of empirical formula = 46
Repeat units = 92 / 46 = 2
Molecular formula = N₂O₄
Answer:
C₁₆H₃₂O₂ (s) + 22O₂(g) → 16CO₂(g) + 16H₂O(g)
Explanation:
In order to determine a combustion reaction we should know that:
Reactants are: X compound and O₂
Products are: CO₂ and H₂O
In this case, the X compound is the solid palmitic acid: C₁₆H₃₂O₂
The balanced equation will be:
C₁₆H₃₂O₂ (s) + 22O₂(g) → 16CO₂(g) + 16H₂O(g)
<span>Atoms are at their most stable when their outermost energy level is either empty of electrons or filled with electrons.</span>