What happens when solid NaOH is heated?
When heated, the solid dihydrate might melt directly into a solution at 13.35 °C; however, once the temperature exceeds 12.58 °C. it often decomposes into solid monohydrate and a liquid solution.
What is the specific heat of a solid?
In other words specific heat of a solid or liquid is the amount of heat that raises the temperature of a unit mass of the solid through 1° C. We symbolise it as C. In S.I unit, it is the amount of heat that raises the temperature of 1 kg of solid or liquid through 1K.
How can you find the specific heat of given solid?
The heat capacity C of an object is defined as C = ∆Q/∆T, where ∆Q is the amount of heat required to change the temperature of the object by ∆T. The specific heat c of a substance is the heat capacity per unit mass. The specific heat is measured in J/kg℃ or cal/g℃ or kcal/kg℃.
Is NaOH solid in room temperature?
At room temperature, sodium hydroxide is a white, odorless solid. Liquid sodium hydroxide is colorless and has no odor. It can react violently with strong acids and with water. Sodium hydroxide is corrosive.
Does NaOH decompose on heating?
The simplest kind of decomposition reaction is when a binary compound decomposes into its elements. Metal hydroxides decompose on heating to yield metal oxides and water. Sodium hydroxide decomposes to produce sodium oxide and water.
Is specific heat capacity constant?
The heat capacity is an extensive property, scaling with the size of the system. The heat capacity of most systems is not constant (though it can often be treated as such). It depends on the temperature, pressure, and volume of the system under consideration.
Is NaOH aqueous or solid?
Sodium hydroxide (NaOH) is a corrosive white crystalline solid that readily absorbs moisture until it dissolves. Commonly called caustic soda, or lye, sodium hydroxide is the most widely used industrial alkali. It is highly corrosive to animal and vegetable tissue.
What happens when aqueous NaOH is heated?
The viscosity of aqueous NaOH, as with any liquid chemical, is inversely related to its service temperature, i.e., its viscosity decreases as temperature increases , and vice versa. The viscosity of sodium hydroxide solutions plays a direct role in its application as well as its storage.
What is the formula for NaOH?
The formula of the chemical compound Sodium hydroxide is NaOH
What is the specific gravity of NaOH?
Specific Gravity: Sodium hypochlorite produced by a continuous process will have approximately 0.2% by weight excess sodium hydroxide, resulting in a specific gravity of 1.160 at 120 gpl
What is the reaction of NaOH and water?
Sodium metal reacts rapidly with water to form a colourless solution of sodium hydroxide (NaOH) and hydrogen gas (H 2). The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic.