1. Write and balance the chemical equation that relates to each of the following: Remember that some elements exist as diatomic molecules (oxygen, nitrogen, hydrogen, halogens)a. Solid zinc metal + oxygen gas solid zinc oxideb. Hydrochloric acid (aq) + magnesium hydroxide (aq) magnesium chloride (aq) + waterc. Nitric acid (aq) + calcium hydroxide (s) calcium nitrate (aq) + water
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.
1. Write and balance the chemical equation that relates to each of the following: Remember that some elements exist as diatomic molecules (oxygen, nitrogen, hydrogen, halogens)
a. Solid zinc metal + oxygen gas solid zinc oxide
b. Hydrochloric acid (aq) + magnesium hydroxide (aq) magnesium chloride (aq) + water
c. Nitric acid (aq) + calcium hydroxide (s) calcium nitrate (aq) + water
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