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malfutka [58]
3 years ago
15

Diffusion occurs faster in gases than in liquids because _____.

Chemistry
2 answers:
djverab [1.8K]3 years ago
7 0

Explanation:

In liquids molecules are somewhat tigthly held together compared to gas molecules. It results decrease in kinetic energy of liquid molecules

While in gases, molecules are arranged in a zigzag pattern and move freely. Hence kinetic energy is more and diffusion rate is also more for gas molecules than liquid molecules.

zalisa [80]3 years ago
6 0
Diffusion occurs faster in a gas than in liquids because in a liquid the molecules are closser together and in a gas they are farther appart
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Answer:

Kc = 1.09x10⁻⁴

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<em>HF = 1.62g</em>

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<em>H₃O⁺ = 0.110g</em>

<em />

To solve this question we need to find the moles of each reactant in order to solve the molar concentration of each reactan and replacing in the Kc expression. For the reaction, the Kc is:

Kc = [H₃O⁺] [F⁻] / [HF]

<em>Because Kc is defined as the ratio between concentrations of products over reactants powered to its reaction coefficient. Pure liquids as water are not taken into account in Kc expression:</em>

<em />

[H₃O⁺] = 0.110g * (1mol /19.01g) = 0.00579moles / 5.6L = 1.03x10⁻³M

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Kc = [1.03x10⁻³M] [1.53x10⁻³M] / [0.0145M]

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