7. In 1999, a drug incident occurred when a patient received a lot more phenobarbital (a sedative) than he should have. [True story - they found the patient unconscious and investigated the doses delivered. The patient did end up surviving.] The patient should have received 0.50 grains per day, but received 4 doses of 130 mg each day for 3 days. How many times more phenobarbital was the patient given with respect to the prescribed amount? 1 grain = 64.799 mg
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.
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