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Rzqust [24]
3 years ago
5

On a potential energy diagram for the following processes, which of the following has an increase in entropy?

Chemistry
2 answers:
daser333 [38]3 years ago
7 0
Hello,

I believe that your answer would be <span>B. water freezes
</span>Hope this helps
Vaselesa [24]3 years ago
3 0

Answer: A. ice melts

Explanation: Entropy is the measure of randomness. A molecule with high disorder has high entropy.

When ice melts, solid changes to liquid and thus the molecules become more disordered.

When water freezes, liquid changes to solid, and thus the molecules become more ordered.

When steam condenses, gas changes to liquid and thus molecules become more ordered.

When water cools down in a refrigerator, liquid changes to solid, and thus the molecules become more ordered.


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50.0 mL of an HNO^3 solution were titrated with 36.90 mL of a 0.100 M LiOH solution to reach the equivalence point. What is the
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Answer:

0.0738 M

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The distance between two points on a map is 0.704 kilometers. What is the distance in meters?
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The principal source of sulfur on earth is deposits of free sulfur occurring mainly in volcanically Active regions. The offer wa
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Answer:

1.18x10⁸L of SO₂ and 2.36x10⁸L of H₂S

Explanation:

The balanced reaction is:

8SO₂(g) + 16H₂S(g) → 16H₂O(l) + 3S₈(s)

To solve this question we must find the moles of S₈ in 4.50x10⁵kg. With these moles and the reaction we can find the moles of SO₂ needed to react (Twice these moles = Moles Of H₂S needed). Using PV = nRT we can find the volume of the gas required:

<em>Moles S₈ - molar mass: 256.52g/mol-</em>

4.50x10⁵kg = 4.50x10⁸g * (1mol / 256.52g) =

1.75x10⁶ moles S₈

<em>Moles SO₂:</em>

1.75x10⁶ moles S₈ * (8mol SO₂ / 3mol S₈) = 4.68x10⁶ moles SO₂

<em>Moles H₂S:</em>

4.68x10⁶ moles SO₂ * 2 = 9.36x10⁶ moles H₂S

The volume could be obtained as follows:

PV = nRT

V = nRT / P

<em>V is volume in liters</em>

<em>n are moles: 4.68x10⁶ moles SO₂ and 9.36x10⁶ moles H₂S</em>

<em>R is gas constant = 0.082atmL/molK</em>

<em>T is absolute temperature = 22°C + 273.15 = 295.15K</em>

<em>P is pressure = 0.961atm</em>

<em />

Replacing:

Volume SO₂ and H₂S:

4.68x10⁶ moles * 0.082atmL/molK * 295.15K / 0.961atm =

<h3>1.18x10⁸L of SO₂ and:</h3>

<em>9.36x10⁶ moles H₂S</em> * 0.082atmL/molK * 295.15K / 0.961atm =

<h3>2.36x10⁸L of H₂S</h3>

5 0
2 years ago
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