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klemol [59]
3 years ago
7

How many subshells are in the n =4 shell?

Chemistry
1 answer:
yawa3891 [41]3 years ago
4 0

Answer:

ye

Explanation:

ye

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Which of the following sets represents a pair of isotopes? 14C and 14N 206Pb and 208Pb O2 and O3 32S and 32S2-
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Isotopes are substances that have the same number of protons but differ in the number of neutrons. Hence, the pair of isotopes above should be of the same element. In the given choices, 14C is not an isotope of 14N. 206Pb is an isotope of 208 Pb. O2 and O3 differ in molecular formula but still made up of same kind of atom, hence they are allotropes, while 32S and 32S2- are not isotopes.  
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What is one example of closed economy?
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What is the overall cell potential for this redox reaction?
Zina [86]
Oxid  # :     0          0                   +2        -1

equation:Cl_{2}  +  Ni -----\ \textgreater \   Ni^{2+}  +  2Cl ^{-}

∴ the nickel was oxidized while chlorine was reduced

nickel reduction potential =  - 0.25 V
              but since it is being oxidised the you have to switch the integer sign so the 
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chlorine was reduced thus its reduction potential remains same  = + 1.36 V

Overall Cell potential  =  ∑ of half cell potential

The overall cell potential  =  (+ 1.36) + (+ 0.25)
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∴ the answer would be D

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3 years ago
6.
levacccp [35]

Answer:

the time required for one half of a sample of a radioisotope to decay

7 0
2 years ago
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i don't understood your question ⁉️

and what do u mean by my color is sickle

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