Excess sodium is reacted with 2.00 l of chlorine gas that has a density of 1.88 g/l to form sodium chloride. the reaction occurs at 25c and 1 atm. calculate the heat (in kj) associated with the reaction.

Respuesta :

The heat (in kj) associated with the reaction is -43.52 kilo joule.

How is heat or thermal energy is produced ?

When the temperature rises, atoms and molecules move faster and collide, creating thermal energy (also known as heat energy). Thermal energy is the energy that results from the heated substance's temperature.

what is relative density ?

A comparison of a material's density to that of a reference substance is known as relative density. Typically, the relative density of liquids is calculated in relation to the densest form of water at a temperature of 40 °C (39 °F). In the case of gaseous compounds, relative density is calculated in relation to air at 20 °C, or 68 °F, room temperature. Relative density is often referred to as specific gravity.

Temperature and pressure are the determining elements of relative density, just like in the case of density. Therefore, it is necessary to specify the temperature and pressure for both the sample and the reference. Below are a few compounds' relative densities at room temperature.

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