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IRISSAK [1]
2 years ago
5

Which statement describes the relationship between bonding and surface tension?

Chemistry
2 answers:
Vesna [10]2 years ago
7 0

Answer:

B. The more ionic bonds a molecule can make, the higher the surface tension.

Explanation:

I just took the quiz :)

pshichka [43]2 years ago
6 0

Answer:

The more hydrogen bonds a molecule can make, the higher the surface tension.

Explanation:

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The complete combustion of propane (C3H8) in the presence of oxygen yields CO2 and H2O: C3H8 (g) + 5O2 (g) 3CO2 (g) + 4H2O (g) a
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Answer:

26.9 L is the volume of CO₂, we obtained

Explanation:

The reaction is: C₃H₈(g) + 5O₂(g)  →  3CO₂ (g) + 4H₂O (g)

Let's determine the reactants moles:

27.5 g . 1mol / 44 g = 0.625 moles

We need density of O₂ to determine mass and then, the moles.

O₂ density = O₂ mass / O₂ volume

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1.429 g/L . 45L = O₂ mass → 64.3 g

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Therefore, 2.009 moles of O₂ must produce (2.009 .3) /5 = 1.21 moles of CO₂. Let's find out the volume, by Ideal Gases Law (STP are 1 atm and 273K, the standard conditions)

1 atm . V = 1.21 moles . 0.082 . 273K

V = (1.21 moles . 0.082 . 273K) / 1atm = 26.9 L

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