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Ray Of Light [21]
2 years ago
9

Whether an ionic bond or a covalent bond forms, bonds form in order to make newly created substances ________ than the substance

s they were created from.
a. less stable
b. more stable
c. less efficient
d. more efficient
Chemistry
1 answer:
Artemon [7]2 years ago
5 0
I am sure the correct answer is B. Bonds are formed in order to make substances more stable than their former. Every process in this world works in order to achieve equilibrium or to be in a stable state this includes chemical reactions. Unstable substances will always find a way to become stable because it is the state with minimum energy.
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If the first isotope has a mass of 259.98 amu and a percent abundance of 35%, what is the percent abundance of the second isotop
brilliants [131]
If it is assumed that there are only two isotopes then the percent abundance needs to add up to 100%

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The second isotope will have a 65% abundance.
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7 0
3 years ago
How many moles of sodium carbonate contain 1.773 × 1017 carbon atoms?
vesna_86 [32]

Answer:

  • 2.941 × 10⁻¹⁷ mol

Explanation:

1) Chemical formula of sodium carbonate: <em>Na₂CO₃</em>

2) Ratio of carbon atoms:

  • The number of atoms of C in the unit formula Na₂CO₃ is the subscript for the atom, which is 1 (since it is not written).

Hence, the ratio is 1 C atom / 1 Na₂CO₃ unit formula.

This is, there is 1 atom of carbon per each unit formula of sodium carbonate.

3) Calculate the number of moles in 1.773 × 10⁷ carbon atoms

  • Divide by Avogadro's number: 6.022 × 10²³ atoms / mol

  • number C moles  = 1.773 × 10⁷ atoms / (6.022 × 10²³ atoms/mol)

  • number C moles = 2.941 × 10⁻¹⁷ mol

Since, the ratio is 1: 1, the number of moles of sodium carbonate is the same number of moles of carbon atoms.

5 0
3 years ago
Which of the elements has the highest first ionization energy<br> C<br> Si<br> Ge <br> Sn <br> Pb
Maksim231197 [3]
Carbon has the highest first ionization energy because it is the topmost atom on the periodic table
6 0
3 years ago
Power plants use carbonic acid to remove sulfur oxide gases.
likoan [24]
Is this a question or a statement?
7 0
3 years ago
Read 2 more answers
Plzz!!! I need help now<br><br><br> this is science
Neko [114]
1)300-100=200N
2)300+100=400N
3)200+100-300=300-300=0N
5 0
3 years ago
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