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ElenaW [278]
3 years ago
6

Which is correct? not sure which is right

Chemistry
1 answer:
Nataly [62]3 years ago
7 0

Answer:

butane

Explanation:

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When dissolved in water, all acids will
poizon [28]
When dissolved in water, acids donate hydrogen ions (H+). Hydrogen ions are hydrogen atoms that have lost an electron and now have just a proton, giving them a positive electrical charge. ... If a solution has a high concentration of H+ ions, then it is acidic.
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A 25.0-mL sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The
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HA ⇄ H⁺ + A⁻ 
so:
\frac{[H^+][A^-]}{[HA]} = 1.5 x 10^{-5}
and now:
\frac{(x)(x)}{(0.150-x)} = 1.5 x 10⁻⁵
x is considered very small compared to 0.15
x² = 2.25 x 10⁻⁶
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3 years ago
An organic compound composed of carbon and hydrogen connected only by single bonds is an ________. alkane alkene alkyne aromatic
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Alkane, the others have double covalent bonds
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3 years ago
What are the horizontal rows in the periodic table called?
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In the periodic table, there are seven horizontal rows of elements called periods.
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The ionization energies (kJ/mol) of hydrogen, nitrogen, sodium, chlorine, and fluorine are 1,312, 1,402, 496, 1,256, and 1,681,
Norma-Jean [14]

Answer: Sodium will most likely to become a monoatomic ion with fluorine when these atoms interact.

Explanation:

Ionization energy is defined as the energy required to remove the most loosely bound electron from a neutral gaseous atom.

With increase in atomic size of the atom, there will be less force of attraction between the nucleus and the valence electrons of the atom. Hence, with lesser amount of energy the valence electrons can be removed.

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3 years ago
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