Respuesta :
1. The study of matter and change is known as chemistry. Chemists investigate matter and change in a variety of ways and with different sorts of systems. The five primary subfields of chemistry historically have been called organic, analytical, physical, inorganic, and biochemistry.
2. Chemistry has been broken into five main subdisciplines: Organic, Analytical, Physical, Inorganic and Biochemistry.
3. Analytical chemistry branch of chemistry aids the quality control unit of the country.
4. Bioorganic chemistry merges organic and biochemistry in the direction of biology. Biological systems are studied using the principles of physical chemistry and physics in the field of biophysical chemistry.
5. A prehistoric man recognized that certain metals were more useful for specific jobs than others, and they began to select specific metals for applications. Because gold and silver are both soft metals, they were mostly utilized as ornaments and trade bullion.
Differentiate between gold silver and copper:
- Copper and gold are two separate metal elements, each with its own set of characteristics.
- Gold has a thermal conductivity [tex]$318 W / m K$[/tex], while copper has a slightly greater thermal conductivity of [tex]$401 \mathrm{~W} / \mathrm{mK}$[/tex].
- Copper has a slightly higher electrical conductivity [tex]$5.96 \times 107 \mathrm{~S} / \mathrm{m}$[/tex] than gold, which has a conductivity of [tex]$4.11107 \mathrm{~S} / \mathrm{m}$[/tex].
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