You Have 25

question 28

Multiple Choice

You have 25.0 g of a compound that contains only silicon and nitrogen. Chemical analysis reveals that your sample contains 15.0 g of silicon. What is the empirical formula for your compound?

• A) SiN
• B) Si₃N₄
• C) Si₂N₃
• D) SiN₂
• E) Si₂N

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Definitions:

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The pressure in the arteries when the heart beats and fills them with blood.

Cardiac Output

The volume of blood pumped by the heart per minute.

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The major air passages of the lungs that diverge from the windpipe (trachea), allowing air to be transported into and out of the lungs.

Mineralocorticoid

A type of steroid hormone that plays a crucial role in regulating sodium and potassium levels in the body.