The overall concentration of hydrogen ions is inversely related to its pH and can be measured on the pH scale Figure 1 It is neither acidic nor basic, and has a pH of 7.0 Anything below 7.0 is ranging from 0.0 to 6.9)is acidic and anything above 7.0 from 7.1 to 14.0 is alkaline.
1) Equilibrium reaction:
<span>2NO2 <----> N2O4 + 57.2 kJ
2) The quantity 57.2 kJ on the right side indicates that the reaction generates heat, i.e. it is exothermic.
When you increase the temperature of an equilibrium chemical reaction that is exothermic you displace the equilibrium to the left, meaningh that more ractant will be formed..
Answer: the equilibrium will be displaced to the left producing more reatant, NO2.
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Liquids than have the next smallest density because the particles of a liquid are closer together but not as tightly bound together as a solid, or loosely structured as a gas. Solids are the most dense. ... For each element, pure substance or mixture the gas state will always have a lower density.
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