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Cloud [144]
3 years ago
14

Which element has the lowest first ionization energy? Be Sr OCa Mg

Chemistry
1 answer:
Dmitrij [34]3 years ago
5 0
Answer
I think Sr
Hope this help!
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Which of the following does not affect the electrical resistance of a body?
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Is A tomato smells rotten a chemical<br> reaction
olganol [36]

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yup

Explanation:

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the reaction cant be reversible

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babunello [35]

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Explanation:

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3 years ago
The energy produced when nucleons fuse together is called the: Select the correct answer below:
saveliy_v [14]

Answer:

Option C (nuclear binding energy) is the appropriate choice.

Explanation:

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Some other options in question aren't relevant to the particular instance. So that the option preceding will also be the right one.

7 0
3 years ago
The normal boiling point of a substance is defined to be the temperature at which the liquid phase of the substance is in equili
boyakko [2]

Answer:

ΔSv = 0.1075 KJ/mol.K

Explanation:

Binary solution:

∴ a: solvent

∴ b: solute

in equilibrium:

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⇒ Ln (1 - Xb) = ΔG/RT

∴ ΔG = ΔHv - TΔSv

⇒ Ln(1 -Xb) = ΔHv/RT - ΔSv/R

∴ Xb → 0:

⇒ Ln(1) = ΔHv/RT - ΔSv/R

∴ T = T*b....normal boiling point

⇒ 0 = ΔHv/RT*b - ΔSv/R

⇒ ΔSv = (R)(ΔHv/RT*b)

⇒ ΔSv = ΔHv/T*b

∴ T*b = 80°C ≅ 353 K

⇒ ΔSv = (38 KJ/mol)/(353 K)

⇒ ΔSv = 0.1075 KJ/mol.K

5 0
3 years ago
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