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Rina8888 [55]
3 years ago
9

if a pressure of 70.kPa on a volume of 80.cm cubed is reduced to 10.kPa, by what factor does the pressure change

Physics
1 answer:
boyakko [2]3 years ago
6 0

70-10/70 x 100  percentage change ....

60/70, 6/7 fract change


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Answer:

Explanation:

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Total energy at the bottom

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Option C

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Using the equation zeff=z−s and assuming that core electrons contribute 1.00 and valence electrons contribute 0.00 to the screen
DIA [1.3K]
Thank you for posting your question here at brainly. Below is the solution. I hope the answer will help. 

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<span>Zeff = Z-S = 17- 10 =7 </span>
<span>K^+ 1s^2 2s^2p^6 3s^2 3p^6; 1s^2 2s^2p^6 S = 10; 3s^2 3p^6 S = 0 </span>
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<span>Zeff(K^+) = 19 - 11.25 = 7.75</span>
5 0
3 years ago
Read 2 more answers
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6 0
3 years ago
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Answer:

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