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Naddik [55]
3 years ago
6

Please help on this one?

Physics
2 answers:
andreyandreev [35.5K]3 years ago
5 0

The answer is Calcium because it has a positive charge of 2. This makes it an atom of a chemical element that has an unequal number of electrons compared to protons. A neon is unlikely to become an anion by accepting another electron. Oxygen is a negative ion. A chlorine atom will become a charged ion with a negative charge of (-1).

Zarrin [17]3 years ago
4 0

The answer might be option C, not sure.

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The equation of state for ideal gases is described below:

P\cdot V = n \cdot R_{u}\cdot T (1)

Where:

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n - Molar quantity, in moles.

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Given that ideal gas is compressed isothermally, this is, temperature remains constant, pressure is increased and volume is decreased, then we can simplify (1) into the following relationship:

P_{1}\cdot V_{1} = P_{2}\cdot V_{2} (2)

If we know that \frac{V_{2}}{V_{1}} = \frac{1}{3}, then the resulting pressure of the system is:

P_{2} = P_{1}\cdot \left(\frac{V_{1}}{V_{2}} \right)

P_{2} = 3\cdot P_{1}

The resulting pressure is 3 times the initial pressure.

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I hopes it helps

thank you

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