Write and Balance the Equation for the Decomposition Reaction That $\rightarrow$

question 70

Multiple Choice

Write and balance the equation for the decomposition reaction that occurs when Mercury(II) oxide decomposes to its elements.

• A)HgO(s) \(\rightarrow\) Hg(l) + O₂(g)
• B)2HgO(s) \(\rightarrow\)2Hg(l) + O₂(g)
• C)Hg₂O(s) \(\rightarrow\) 2Hg(l) + O₂(g)
• D)HgO₂(s) \(\rightarrow\) Hg(l) + 2O(g)
• E)2Hg(l) +O₂(g) \(\rightarrow\)HgO₂(s)

---

Definitions:

Leptin

A hormone produced by fat cells that helps to regulate energy balance by inhibiting hunger.

Cholecystokinin

A hormone released by the small intestine that stimulates the digestion of fat and protein, and also acts as a satiety signal to the brain.

Fat Cells

Cells that specialize in storing energy as fat, known scientifically as adipocytes, playing a significant role in metabolism and energy balance.

Serotonin

Serotonin is a neurotransmitter that plays a key role in regulating mood, appetite, sleep, memory, and other bodily functions.