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Rufina [12.5K]
3 years ago
11

Which is a postulate of the kinetic molecular theory of gases? Despite being very small, the volume occupied by the individual p

articles that compose a gas cannot be assumed to be negligible. The volume occupied by the individual particles that compose a gas is very small. However, the distances between gas particles are comparable to the sizes of the gas particles, so the volume occupied by the individual gas particles cannot be assumed to be negligible. The particles that compose a gas are so small compared to the distances between them that the volume of the individual particles can be assumed to be negligible. Because the distances between gas particles are so small relative to the sizes of the gas particles themselves, the volume of the individual particles can be assumed to be negligible.
Chemistry
2 answers:
Paladinen [302]3 years ago
7 0

Answer:

The particles that compose a gas are so small compared to the distances between them that the volume of the individual particles can be assumed to be negligible.  

Explanation:

This is a postulate of the Kinetic Molecular Theory.

A is wrong. KMT assumes the that the volume of the particles is negligible.

B is wrong. KMT assumes that the distance between the particles is muck greater than their size.

D is wrong. It takes the large distances as a fact. KMT uses this as an assumption.

Darina [25.2K]3 years ago
4 0

Answer:

Gas particles have a small volume relative to the spaces between them.

Explanation:

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Answer:

Al2(SO4)3

Explanation:

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3 years ago
calculate how many milliliters of 0.142 M NaOH are needed to completely neutralize 21.4 mL of 0.294 M H2C4H4O6.
Flura [38]

Answer:

The answer to your question is 88.7 ml

Explanation:

Data

Volume = ?

Concentration of NaOH = 0.142 M

Volume of H₂C₄H₄O₆ = 21.4 ml

Concentration of H₂C₄H₄O₆ = 0.294 M

Balanced chemical reaction

               2 NaOH + H₂C₄H₄O₆  ⇒  Na₂C₄H₄O₆  +  2H₂O

1.- Calculate the moles of H₂C₄H₄O₆

Molarity = moles/volume

Solve for moles

moles = Molarity x volume

Substitution

moles = 0.294 x 21.4/1000

Result

moles = 0.0063

2.- Use proportions to calculate the moles of NaOH

              2 moles of NaOH ------------------ 1 moles of H₂C₄H₄O₆

               x                           ------------------ 0.0063 moles

               x = (0.0063 x 2) / 1

               x = 0.0126 moles of NaOH

3.- Calculate the volume  of NaOH

Molarity = moles / volume

Solve for volume

Volume = moles/Molarity

Substitution

Volume = 0.0126/0.142

Result

Volume = 0.088 L or 88.7 ml

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Answer:

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