When a person’s stomach oversecretes gastric juices containing hydrochloric acid, the person treats it with antacids. Some antacids in the market are made up of aluminum hydroxide (Al(OH)3), milk of magnesia (Mg(OH)2), and sodium bicarbonate (NaHCO3). Which of the three antacids is more effective per gram? Note: the effective antacids can be determined by computing for the highest number of moles of hydrochloric acids that react with the given antacids. Al(OH)3 + 3HCl → AlCl3 + 3H2O Mg(OH)2 + 2HCl → MgCl2 + 2H2O NaHCO3 + HCl → NaCl + H2O + CO2
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.
When a person’s stomach oversecretes gastric juices containing hydrochloric acid, the person treats it with antacids. Some antacids in the market are made up of aluminum hydroxide (Al(OH)3), milk of magnesia (Mg(OH)2), and sodium bicarbonate (NaHCO3). Which of the three antacids is more effective per gram?
Note: the effective antacids can be determined by computing for the
highest number of moles of hydrochloric acids that react with the given
antacids.
Al(OH)3 + 3HCl → AlCl3 + 3H2O
Mg(OH)2 + 2HCl → MgCl2 + 2H2O
NaHCO3 + HCl → NaCl + H2O + CO2
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