Phosphine, an Extremely Poisonous and Highly Reactive Gas, Reacts with Oxygen

question 56

Multiple Choice

Phosphine, an extremely poisonous and highly reactive gas, reacts with oxygen gas to form tetraphosphorus decaoxide and water. PH₃(g) + O₂(g) → P₄O₁₀(s) + H₂O(g) [unbalanced]
Calculate the mass of P₄O₁₀(s) formed when 225 g of PH₃ reacts with excess oxygen.

• A) 1880 g
• B) 940. g
• C) 900. g
• D) 470. g
• E) 56.3 g

---

Definitions:

Breast Cancer

A malignant tumor that develops from the breast cells, which can spread to other parts of the body if not treated early.

Uncontrolled Growth

Often refers to abnormal cell growth, such as in cancer, where cells divide and multiply in an unregulated manner.

Cancer Cells

Abnormal cells that divide uncontrollably, have the ability to infiltrate and destroy normal body tissue, and can spread to other parts of the body.

Mutations

Changes in the DNA sequence of an organism's genome, which can lead to variations in physical traits or an increase in susceptibility to certain diseases.