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tatiyna
2 years ago
8

an object displaces 32 mL of water and a known density of 0.0625 g/mL. What is the mass of the object?

Chemistry
2 answers:
Elodia [21]2 years ago
7 0

Answer:

notice:wag brainly ng brainly gamitin din ang utak natin bro

ivanzaharov [21]2 years ago
7 0
  • Volume=32mL
  • Density=0.0626g/mL

\\ \sf\longmapsto Density=\dfrac{Mass}{Volume}

\\ \sf\longmapsto Mass=Density\times Volume

\\ \sf\longmapsto Mass=0.0625(32)

\\ \sf\longmapsto Mass=2g

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Which types of orbitals are found in the principal energy level n = 2?
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Remember this:

1) n is principal quantum number and represents the energy level.

2) l is the second quantum number and represent the type of orbital.

3) l can take values from 0 to n - 1

4) each number of l is associated with a type of orbital.  This table shows the equivalence:
 
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0                    s

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With that, you can tell that n = 2 permits l = 0 and 1, which is orbitals s and p.

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Answer: Please see answer below

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The  degradation  of Glycogen follows  three steps:

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(https://www.ncbi.nlm.nih.gov/books/NBK21190)

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3 years ago
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gayaneshka [121]
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yawa3891 [41]

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B. PROTONS EXHIBIT STRONGER PULL ON OUTER f ORBITALS

Explanation:

Lanthanide contraction is the greater than normal decrease in the ionic radius of the lanthanide series from atomic number 57 to atomic number 71. This decrease is rather not expected of the ionic radii of these elements and they result in the greater decrease in the subsequent series of the lanthanides from the atomic number 72. The cause of which is as a result of the poor shielding effects of the nuclear charge around the electrons of the f orbitals. So therefore, protons are strongly pulled out of the 4f orbital and as a result of the poor shielding effect which causes the electrons of the 6s orbitals to be drawn more closer to the nucleus and hence resulting in a smaller atomic radii. It is worthy to note that the shielding effects of the inner electrons decreasing from s orbital to the f orbital; that is s > p > d > f. So from the decrease in the shielding effects from s to the f orbitals, lanthanide contraction results from the inability of the orbitals far away from s like the 4f orbiatls to shield the outermost shells of the lanthanide elements. So the cause of lanthanide contraction is the action of the protons which strongly pull the electrons of the f orbitals because of the poor shielding effects due to the distance of this orbital from the nucleus.

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3 years ago
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