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All radioactive decays follow first order kinetics. Therefore, the half-life of a radioactive element is independent of the amount of sample. With the help of half-life values of a suitable radioisotope of an element, which is present in a rock, or in an artefact, the age of the rock and the ..

Radioactive Dating - All radioactive decays follow first order kinetics. Therefore, the half-life of a radioactive element is independent of the amount of sample. With the help of half-life values of a suitable radioisotope of an element, which is present in a rock, or in an artefact, the..

Gay Lussac's Law - In 1808, Gay Lussac discovered a relationship between the volume of gases that react produce gaseous products, at constant temperature and pressure. He formulated a law, which is named after h..

In 1808, Gay Lussac discovered a relationship between the volume of gases that react produce gaseous products, at constant temperature and pressure. He formulated a law, which is named after hi..

The following illustrations, under the same conditions of temperature and pressure, justify Gay Lussac's Law. (a) Two volumes of hydrogen and one volume of oxygen combine to form two volumes of stea..

Mole Concept and Stoichiometry..

Carbon monoxide burns in oxygen to give carbon dioxide, as per the equation: ..

Mole Concept and Stoichiometry..

Radiocarbon dating of historical wooden - derived objects is based on the knowledge that the cosmic ray intensity (responsible for 1 4 C production) has been practically constant for thousands of years. 1 4 C is formed in the upper atmosphere by the action of cosmic radiation ..

Radiocarbon The 1 4 C so produced is eventually converted into CO 2 , which in turn is incorporated into plants and trees by the process of photosynthesis and then finds way into animals, which eat plants. As there is a natural plant-animal cycle, an equilibrium is set up and all living matter cont..