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9966 [12]
3 years ago
5

"what percentage of the solar nebula's mass consisted of elements besides hydrogen and helium gases?"

Chemistry
1 answer:
Alborosie3 years ago
6 0
Your answer would be 2%

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The following diagram of a pendulum shows the path it takes as it swings back and forth.
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Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of the pressures exert
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Answer: The given statement is true.

Explanation:

According to the Dalton's law, total pressure of a mixture of gases that do not react with each other is equal to the partial pressure exerted by each gas.

The relationship is as follows.

          p_{total} = \sum_{i=1}^{n} p_{i}

or,        p_{total} = p_{1} + p_{2} + p_{3} + p_{4} + ......... + p_{n}

where,  p_{1}, p_{2}, p_{3} ....... = partial pressure of individual gases present in the mixture

Also, relation between partial pressure and mole fraction is as follows.

                 p_{i} = p_{total} \times x_{i}

where,      x_{i} = mole fraction

Thus, we can conclude that the statement Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture, is true.              

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Nickel (iii) cyanide + aluminum permanganate product?
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Answer:

Nickel(II) cyanide is an inorganic compound with a chemical formula Ni(CN)₂

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What tuberculosis means "
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it is a infectiousr bacterial disease characterized by the growth of nodules(tubercles) in tissues especially the lungs

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Which electron in sulfur is most shielded from nuclear charge?
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Electrons present in the 3p orbitals are farthest from the nucleus. Therefore, the electrons present in the 3p orbital will be shielded by the electrons present in the inner orbitals. Hence, 3p orbital in sulfur is most shielded from the nuclear charge".

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