Phosphine, PH₃, a Reactive and Poisonous Compound, Reacts with Oxygen $\rightarrow$

question 47

Multiple Choice

Phosphine, PH₃, a reactive and poisonous compound, reacts with oxygen as follows: 4PH₃(g) + 8O₂(g) $\rightarrow$ P₄O₁₀(s) + 6H₂O(g) If 15.0 g of phosphine reacts with sufficient oxygen, how many grams of P₄O₁₀ will be formed?

• A)125 g
• B)31.3 g
• C)5.00 x 10² g
• D)18.9 g
• E)75.7 g

Understand the basic concepts and definitions related to population ecology.

Identify and describe different population dispersion patterns and their causes.

Calculate and interpret population growth rates and understand the factors that affect these rates.

Recognize and explain the hierarchical organization within ecology from individuals to the biosphere.

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Definitions:

Common Ancestor

The latest common ancestor shared directly by all members in a specific group.

Organisms

Any individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis.

DNA Sequences

The precise order of nucleotides within a DNA molecule, which determines the genetic information carried by that DNA.

Molecular Data

Information obtained from the analysis of the molecular structure of biological substances, such as DNA, RNA, and proteins, used for studying genetic relationships and evolutionary patterns.