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ch4aika [34]
2 years ago
13

1)Explain why the overall charge of a nucleus positive ?

Chemistry
1 answer:
yanalaym [24]2 years ago
4 0
The charge of a nucleus is positive because protons are found inside the nucleus while electrons are on shells outside of it. there are three terms because of the different locations of the electrons and what they do. ex. shielding electrons shield the valence electrons from the strong pull of the nucleus
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A balloon originally had a volume of 4.39 L at 44C and a pressure of 729 torr  to what temperature must the balloon be cooled
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The new temperature : 11.56 °C

<h3>Further explanation </h3>

Boyle's law and Gay Lussac's law  

\tt \dfrac{P_1.V_1}{T_1}=\dfrac{P_2.V_2}{T_2}

P1 = initial gas pressure (N/m² or Pa)  

V1 = initial gas volume (m³)  

P2 = final gas pressure  

V2 = final gas volume

T1 = initial gas temperature (K)  

T2 = final gas temperature  

V₁=4.39 L

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\tt \dfrac{0.959211\times 4.39}{317}=\dfrac{1\times 3.78}{T_2}\\\\T_2=\dfrac{1\times 3.78\times 317}{0.959211\times 4.39}\\\\T_2=284.559~K=11.56~C

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