Chemistry, 13.08.2019 08:10, artursino

(d) agc2h302(aq) + nicl2(aq) → agcl(s) + ni(c2h302)2(aq)
what’s the ionic equation?

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answered: dinarussell74

Net ionic equation:

$\rm Ag^{+}\; (aq) + Cl^{-}\; (aq) \to AgCl\; (s)$ .

Explanation:

Start by balancing the chemical equation. The acetate (IUPAC: ethanoate) ion $\rm {C_2H_3O_2}^{-}$ is a polyatomic ion. These ions stayed intact during this reaction. These ions could thus be considered as a monatomic ion $\rm Ac^{-}$ to make this equation easier to balance.

$\rm ?\; AgAc\; (aq) + ?\; NiCl_2\;(aq)\to ?\; AgCl\; (s) + ?\;NiAc_2\; (aq)$

Assign a coefficient of 1 to $\rm Ni(C_2 H_3O_2)$ :

$\rm ?\; AgAc\; (aq) + ?\; NiCl_2\;(aq)\to ?\; AgCl\; (s) + {\bf 1}\;NiAc_2\; (aq)$

$\rm {\bf 2}\; AgAc\; (aq) + {\bf 1}\; NiCl_2\;(aq)\to ?\; AgCl\; (s) + 1\;NiAc_2\; (aq)$

$\rm {2}\; AgAc\; (aq) + {1}\; NiCl_2\;(aq)\to {\bf 2}\; AgCl\; (s) + 1\;NiAc_2\; (aq)$

Rewrite this chemical equation as an ionic equation. For each salt in this reaction: if the salt dissolves in water, rewrite it as the ions that in produce. Don't rewrite species that won't dissolve into ions.

For example:

The salt $\rm NiCl_2$ is soluble in water. It dissolves to produce $\rm Ni^{2+}$ ions and $\rm Cl^{-}$ ions. Hence rewrite NiCl_2

as $\rm Ni^{2+} + Cl^{-}$ The salt $\rm AgCl\; (s)$ is insoluble in water. Do not rewrite.

$\begin{aligned}&\rm {2}\; Ag^{+} + 2\; Ac^{-}\; (aq) + Ni^{2+} + 2\;Cl^{-}\;(aq)\\\to &\rm {2}\; AgCl\; (s) + Ni^{+}\;(aq) + 2\; Ac^{-}\; (aq)\end{aligned}$ .

Eliminate terms that appear on both side of this equation.

$\rm {2}\; Ag^{+} + 2\;Cl^{-}\;(aq) \to {2}\; AgCl\; (s)$ .

Simplify the coefficients:

$\rm Ag^{+} + Cl^{-}\;(aq) \to AgCl\; (s)$ .

answered: Guest

what's the

answered: Guest

most historians agree that gabriel mouton, the vicar of st. paul’s church in lyons, france, is the “founding father” of the metric system. he proposed a decimal system of measurement in 1670. mouton based it on the length of one minute of arc of a great circle of the earth (now called a nautical mile, 1852 meters). he also proposed the swing-length of a pendulum with a frequency of one beat per second as the unit of length (about 25 cm). a pendulum beating with this length would have been fairly easy to produce, thus facilitating the widespread distribution of uniform standards. over the years, his work was revised, improved, and extended by a number of french scientists.

the political sponsor of weights and measures reform in the french revolutionary national assembly was the bishop of autun, better known as talleyrand. under his auspices, the french academy appointed several committees to carry out the work of developing a usable system of weights and measures for france. one of the committees recommended a decimalized measurement system based upon a length equal to one ten-millionth of the length of a quadrant of the earth’s meridian (i.e., one ten-millionth of the distance between the equator and the north pole).

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