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Alex17521 [72]
2 years ago
8

Please help, lol :)) <--------------

Chemistry
1 answer:
Nadya [2.5K]2 years ago
4 0

Answer:

I has 5 valance electrons it wants 10 and 3 bonds

Explanation:

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Which consequence of new fishing methods had the most immediate impact on the environment?
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What isotope is the product of the alpha (*2He) nuclear decay of Radon-222 (222U)?
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Answer:

ⁿₐX => ²¹⁸₈₄Po

Explanation:

Let ⁿₐX be the isotope.

Thus, the equation can be written as follow:

²²²₈₆Rn —> ⁴₂α + ⁿₐX

Next, we shall determine the value of 'n' and 'a'. This can be obtained as follow:

222 = 4 + n

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222 – 4 = n

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n = 218

86 = 2 + a

Collect like terms

86 – 2 = a

84 = a

Thus,

a = 84

ⁿₐX => ²¹⁸₈₄Po

²²²₈₆Rn —> ⁴₂α + ⁿₐX

²²²₈₆Rn —> ⁴₂α + ²¹⁸₈₄Po

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Calculate the energy E of a sample of 3.50 mol of ideal oxygen gas (O2) molecules at a temperature of 310 K. Assume that the mol
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Answer:

13.53 kJ

Explanation:

The energy of a gas can be calculated by the equation:

E = (3/2)*n*R*T

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E = (3/2)*3.5*8.314*310

E = 13,531.035 J

E = 13.53 kJ

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