Examlex
Use the standard reaction enthalpies given below to determine H° for the following reaction: 2NO(g) + O2(g) → 2NO2(g)
H° = ?
Given:
N2(g) + O2(g) → 2NO(g) H° = +183 kJ
1/2 N2(g) + O2(g) → NO2(g) H° = +33 kJ
Concentrate
To increase the strength or proportion of a substance by reducing its volume, typically by evaporation or by removing water.
Infrastructure
The fundamental physical and organizational structures and facilities (e.g., buildings, roads, power supplies) needed for the operation of a society or enterprise.
Extraocular
Outside the eyeball, often relating to the muscles that control the movements of the eye.
Polydactyly
A congenital physical anomaly in humans and animals resulting in more than the usual number of fingers or toes.
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