What is the enthalpy of reaction for the decomposition of no2(g)?
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Ответ:
Let us consider the following reaction,
Thus, for this decomposition reaction, The enthalpy of reaction is given as
ΔH net = -( - 113) - (+180)
= -67 kJ
Ответ:
Diffusion in gases
When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. The particles of smelly gas are free to move quickly in all directions. They eventually spread through the whole room from an area of high concentration to an area of low concentration.
Explanation: