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If a runner races 50 meters in 5 seconds, how fast is she going?
Chemical Reaction
A process that involves the transformation of one or more substances into one or more different substances through the breaking and forming of chemical bonds.
Open System
A system in which both energy and matter can be exchanged with its surroundings.
Mass
A physical property that reflects the amount of matter contained in an object, often measured in kilograms or grams.
Mercury (II) Oxide
Mercury (II) Oxide is an inorganic compound with the formula HgO, known for its red or orange color, used historically in the production of mercury metal.
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