Given the balanced equation representing reaction:N2 + energy ==> N + N
Which statement describes this reaction?
( I) Bonds are broken, and the reaction is endothermic.
(2) Bonds are broken , and the reaction is exothermic.
(3) Bonds are formed, and the reaction is endothermic.
(4) Bonds are formed, and the reaction is exothermic.

solution,carbonation,hydration,oxidation,and hydrolysis

Answer:

The molar mass is determined by applying the Ideal Gas Law, PV = nRT, where P is the pressure (in atm), V is the volume (in L), n is the number of moles of gas, R is the universal gas constant (0.08206 L∙atm/mol∙K), and T is the temperature (in K).

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The organ that is not considered a part of the excretory system is the brain and the correct option is option D.

The excretory system primarily consists of organs and structures involved in the elimination of waste products from the body. The kidney, lungs, and skin are all essential components of the excretory system.

The kidney plays a central role in filtering waste products from the blood and producing urine. The lungs are responsible for the elimination of carbon dioxide, a waste product of cellular respiration, through the process of breathing. The skin, through sweat glands, helps eliminate metabolic waste products such as urea and excess salts through perspiration.

On the other hand, the brain is primarily involved in regulating and coordinating various bodily functions, including cognition, movement, and sensory processing. While the brain plays a crucial role in overall body functioning, it is not directly involved in the excretion or elimination of waste products from the body.

Thus, the ideal selection is option D.

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Answer:

D. BRAIN

Explanation:

The human excretory system includes the lungs, the skin, and the urinary system (kidneys, ureters, bladder, and urethra).