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inna [77]
2 years ago
10

Is any one in connections academy inedd unit 5 unit test answrs now

Chemistry
1 answer:
Usimov [2.4K]2 years ago
7 0
Hehehehehehdhd skeishsd ekwiwuee wowieue wkwiwuehd akwiwuued wkwiwgshs akwusgss sjwusvs
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Which of the following is an example of kinetic energy?
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For the equilibrium PCl5(g) PCl3(g) + Cl2(g), Kc = 2.0 × 101 at 240°C. If pure PCl5 is placed in a 1.00-L container and allowed
Cloud [144]

Answer:

the equilibrium concentration of [PCl₅] is 3.64*10⁻³ M

Explanation:

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and [A] denote concentrations of A

if initially the mixture is pure PCl₅ , then it will dissociate according to the reaction and since always one mole of PCl₃(g) is generated with one mole of Cl₂(g) , the total number of moles of both at the end is the same → they have the same concentration → [PCl₃(g)] = [Cl₂]=0.27 M

therefore

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[PCl₅]  =  0.27 M* 0.27 M / 20 M = 3.64*10⁻³ M

[PCl₅]  = 3.64*10⁻³ M

the equilibrium concentration of [PCl₅] is 3.64*10⁻³ M

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