The Standard Enthalpy of Formation of Ammonia Gas Is -46 $\circ$

question 87

Multiple Choice

The standard enthalpy of formation of ammonia gas is -46.11 kJ.mol^-1 at 298 K.What is the standard reaction enthalpy for the Haber process at 500 ^$\circ$ C? The molar heat capacities of nitrogen,hydrogen,and ammonia are 29.12,28.82,and 35.06 kJ.mol^-1 respectively.

• A)(-97.65 kJ.mol^-1 )
• B)(-113.81 kJ.mol^-1 )
• C)(-56.91 kJ.mol^-1 )
• D)(-92.22 kJ.mol^-1 )
• E)(-103.09 kJ.mol^-1 )

Describe the effects of light on circadian rhythms and the SCN's adaptation mechanisms.

Discuss the mechanisms of sleep regulation and the role of different brain waves in sleep stages.

Understand the hormonal influences on circadian rhythms and sleep.

Evaluate the implications of circadian rhythm disruption in humans, such as in shift workers.

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Definitions:

Silicosis

Chronic lung disease caused by the inhalation of silica dust.

Black Lung Disease

A common name for pneumoconiosis, a lung disease caused by inhaling coal dust over a long period, affecting coal miners and workers in coal processing facilities.

SIDS

Sudden Infant Death Syndrome, the unexplained death, usually during sleep, of a seemingly healthy baby less than a year old.

Apneic Episodes

Periods during which breathing stops or is markedly reduced during sleep.