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drek231 [11]
3 years ago
5

At a job interview, the most effective way to prove your proficiency to a prospective employer is to show that you have 

Chemistry
1 answer:
inna [77]3 years ago
7 0
The most effective way to showcase your proficiency in a job interview is to show certificates. For example, in this case, option D. certification as an electronics technician. Option A's online research experience is menial as well as using own test equipment as this renders hassle and futile. Membership cannot guarantee job proficiency, too. Answer is D.
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Which pattern in electronegativity do elements in the periodic table display?
jeka57 [31]

Answer:

Electronegativity increases from left to right within a row of the periodic table

Explanation:

8 0
2 years ago
How many ions are present in iron 2 oxide
krek1111 [17]
Iron(II) oxide also refers to a family of related non-stoichiometric compounds, which are typically iron deficient with compositions ranging from Fe0.84O to Fe0.95O.
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The puppies in the photograph above are from the same litter. Their inherited traits, such as fur color, are coded onto molecule
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You may wanna stop cheating using this app
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2 years ago
What's the empirical and molecular weight of C14H22N4O8? What's the molecular formula of C14H22N4O8?
Inessa05 [86]

374u

187u

C₁₄H₂₂N₄O₈

Explanation:

To find the molecular weight of the compound C₁₄H₂₂N₄O₈ we simply sum that atomic masses of the given elements in the compound.

 The empirical weight is determined by using the simplest ratio of the elements involved in the compound;

Molecular weight of C₁₄H₂₂N₄O₈;

atomic mass of C = 12g/mol

                           H = 1g/mol

                            N = 14g/mol

                            O = 16g/mol

 Molecular weight = 14(12) + 22(1) + 4(14) + 8(16)

                                = 168 + 22 + 56 + 128

                                 = 374u

Empirical weight:

  Empirical formula:

                        C₁₄    H₂₂      N₄     O₈

                         14  :    22 :    4  :     8

   divide by 2:

                          7   :    11    :    2  :    4

     empirical formula  C₇H₁₁N₂O₄

     empirical weight = \frac{molecular weight}{2} = \frac{374}{2} = 187u

The molecular formula is the actual combination of atoms in a compound. so the molecular formula of the compound is C₁₄H₂₂N₄O₈

learn more:

Molecular mass brainly.com/question/5546238

#learnwithBrainly

8 0
3 years ago
Which of the following represents a pair of isotopes?
Nonamiya [84]
B.
Isotopes is an atom has same number of electrons and protons but different number of neutron.
3 0
3 years ago
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