Chem Eng 2

All atoms of a given element are identical, having the same size, mass, and chemical properties. The atoms of one element are different from the atoms of all other elements.

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—— A chemical reaction involves only the separation, combination, or rearrangement of atoms; it does not result in their creation or destruction

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Sulfur (S) is a nonmetallic element that is present in coal. When coal is burned, sulfur is converted to sulfur dioxide and eventually to sulfuric acid that gives rise to the acid rain phenomenon

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Vertical columns on the Periodic Table are known as groups or families.

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• Golongan

• Periode

• Tabel periodik

• Horizontal

•To take the electron spin into account, it is necessary to introduce a fourth quantum number, called the electron spin quantum number ( m s ), which has a value of +½ or  -½•T

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In a chemical reaction, matter can be neither created nor destroyed.

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Balancing Equations

• Persamaan Fisika

• Reaksi Kesetimbangan

• Penyetaraan Reaksi

• Persamaan Kimia

If 360 g of C6H12O6 is consumed by a person over a certain period, what is the mass of CO2 produced?

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For the given combustion reaction

   CH4 + 2O2 →  CO2 + 2H2O

When 32 grams of CH4 (Mr = 16) is burned with excess oxygen, how many grams of CO2 (Mr = 44) are produced?

 

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