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emmasim [6.3K]
4 years ago
15

17)

Physics
1 answer:
lina2011 [118]4 years ago
4 0

17 , d . because a force is being applied but it is not moving .

19 . is c .

20 .b .

21 . d .

31 . d .

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How many coulombs of positive charge are there in 3.60 kg of plutonium, given its atomic mass is 244 and that each plutonium ato
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1 mole of plutonium = 244 gm

3.6 kg of plutonium = 3.6 × 1000 = 3600 gm

Number of moles = 3600 ÷ 244 = 14.754 moles

One moles of plutonium contains protons = \( 6.023 \times {10}^{23} \times 94 \)

Total number of protons in 14.754 moles = \( 6.023 \times {10}^{23} \times 94 \times 14.754 \)

Total number of protons in 14.754 moles = \(8353.15 \times {10}^{23}\)

Total Positive charge = \(8353.15 \times {10}^{23} \times 1.6 \times {10}^{-19}\)

Total positive charge = \(13365.04 \times {10}^{4}\) C


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