What are properties of banking soda
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Baking soda =(NaHco3) (sodium bicarbonate)
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The physical properties of a substance are characteristics of that can be observed without changing the composition or identity of the substance. Observations about the appearance of sodium bicarbonate such as color, odor, taste and state of matter are all physical properties. Sodium bicarbonate is a white, crystalline powder that sometimes forms lumps. It is odorless and has a bitter, salty taste. At room temperature, it is a solid. Solubility, or the ability of a substance to dissolve in water, is also a physical property. Sodium bicarbonate is soluble in water and can be separated from water through evaporation.
Chemical properties describe observations of a substance based on the ability of the substance to change its chemical composition. Decomposition and pH are two common chemical properties of sodium bicarbonate. The concentration of hydrogen ions (H+) in a solution is a chemical property referred to as pH. The pH scale ranges from 0 to 14. A pH less than 7 indicates an acid, a value of 7 is neutral and a value greater than 7 is considered alkaline. A 1 percent molar solution of baking soda in water at room temperature has a pH of 8.3. This number indicates that baking soda is alkaline, which accounts for its bitter taste. Decomposition is the process using heat to break down a substance into simpler components that are different from the original substance. When heated to a temperature greater than 50 degrees C (122 degrees F), sodium bicarbonate decomposes, or splits apart to form mostly carbon dioxide (CO2) and water (H2O) with trace amounts of sodium carbonate (NaCO3). Decomposition is a chemical change.
Chemical properties describe observations of a substance based on the ability of the substance to change its chemical composition. Decomposition and pH are two common chemical properties of sodium bicarbonate. The concentration of hydrogen ions (H+) in a solution is a chemical property referred to as pH. The pH scale ranges from 0 to 14. A pH less than 7 indicates an acid, a value of 7 is neutral and a value greater than 7 is considered alkaline. A 1 percent molar solution of baking soda in water at room temperature has a pH of 8.3. This number indicates that baking soda is alkaline, which accounts for its bitter taste. Decomposition is the process using heat to break down a substance into simpler components that are different from the original substance. When heated to a temperature greater than 50 degrees C (122 degrees F), sodium bicarbonate decomposes, or splits apart to form mostly carbon dioxide (CO2) and water (H2O) with trace amounts of sodium carbonate (NaCO3). Decomposition is a chemical change.
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