Balanced chemical reaction: C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(g).
<span>There are same number
of atoms of on both side of balanced chemical reaction: ten oxygen atoms, three carbon atoms and eight hydrogen atoms.
</span>Carbon is oxidized and oxygen is reduced in this balanced chemical reaction of combustion of propane.
Answer:
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Explanation:
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The number of moles of the gas sample present at the end is 0.78 moles.
<h3>
Number of moles of the gas</h3>
PV = nRT
V = nRT/P
At a constant volume, V;
n₁RT₁/P₁ = n₂RT₂/P₂
n₁T₁/P₁ = n₂T₂/P₂
n₂ = (n₁T₁P₂)/(P₁T₂)
where;
- T₁ is initial temperature = 21.7⁰C = 294.7 K
- T₂ is final temperature = 28.1⁰C = 301.1 K
n₂ = (3 x 294.7 x 0.998)/(3.75 x 301.1)
n₂ = 0.78 moles
Thus, the number of moles of the gas sample present at the end is 0.78 moles.
Learn more about number of moles here: brainly.com/question/15356425
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4 S^3 = Ksp
<span>S ={ 1/4 Ksp}^1/3 </span>
<span>= [ 6.4/4 X 10^-9]^1/3 </span>
<span>= (1.6^1/3)*10^-3 </span>
<span>= 1.1696 x 10^-3 ANSWER</span>