When a solution of sodium hydroxide is mixed with iron (II) chloride, a green precipitate is formed. What is the balanced equation for that reaction? Question 24 options: FeCl2(aq) + NaOH(aq) → Fe(OH)2(s) + NaCl(aq) Fe2Cl(aq) + NaOH(aq) → Fe2OH(aq) + NaCl(s)
Fe2Cl(aq) + NaOH(aq) → Fe2OH(aq) + NaCl(aq)
FeCl2(aq) + 2 NaOH(aq) → Fe(OH)2(s) + 2 NaCl(aq)

When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

Avariable that is not being directly tested during an experiment should be