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Musya8 [376]
4 years ago
14

What forces typically hold separate molecules together?

Chemistry
1 answer:
Lelechka [254]4 years ago
5 0

Answer:

Intermolecular forces.

Explanation:

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Energy is released or absorbed in a chemical change

Explanation:

In a chemical change a new substance is formed from it.

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A 1.50 liter flask at a temperature of 25°C contains a mixture of 0.158 moles of methane, 0.09 moles of ethane, and 0.044 moles
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This can be solved using Dalton's Law of Partial pressures. This law states that the total pressure exerted by a gas mixture is equal to the sum of the partial pressure of each gas in the mixture as if it exist alone in a container. In order to solve, we need the partial pressures of the gases given. Calculations are as follows:<span>

P = P1 + P2 + P3
<span>P = (0.08206 atm.L/mol.K)( 298.15 K)/1.50) x (0.158 mole + 0.09 mol + 0.044 mol) = <span>4.76 atm</span></span></span>

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3 years ago
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