Write the balanced formula equation with phase symbols given the words. Answer part A-E. a. When iron rusts, solid iron reacts with gaseous oxygen to form solid iron (III) oxide. b. A solution of zinc (II) chloride and hydrogen gas are produced when zinc metal is added to a solution of hydrochloric acid. c. Solid lead (II) sulfide reacts with aqueous hydrobromic acid to form solid lead (II) bromide and dihydrogen monosulfide gas. d. Solutions of potassium hydroxide and iron (III) chloride are mixed. Solid iron (III) hydroxide and aqueous potassium chloride are formed. e. A precipitate of nickel (II) carbonate and aqueous potassium chloride are produced when solutions of potassium carbonate and nickel (II) chloride are mixed.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Write the balanced formula equation with phase symbols given the words. Answer part A-E.
a. When iron rusts, solid iron reacts with gaseous oxygen to form solid iron (III) oxide.
b. A solution of zinc (II) chloride and hydrogen gas are produced when zinc metal is added to a solution of hydrochloric acid.
c. Solid lead (II) sulfide reacts with aqueous hydrobromic acid to form solid lead (II) bromide and dihydrogen monosulfide gas.
d. Solutions of potassium hydroxide and iron (III) chloride are mixed. Solid iron (III) hydroxide and aqueous potassium chloride are formed.
e. A precipitate of nickel (II) carbonate and aqueous potassium chloride are produced when solutions of potassium carbonate and nickel (II) chloride are mixed.
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