Liquid Hydrogen Peroxide Is an Oxidizing Agent in Many Rocket

question 66

Multiple Choice

Liquid hydrogen peroxide is an oxidizing agent in many rocket fuel mixtures because it releases oxygen gas on decomposition as shown below. 2 H₂ O₂ ( ) 2 H₂ O ( ) + O₂(g) D H rxn = - 196 kJ How much heat is released when 25.0 grams of H₂ O₂ decomposes?
Molar Mass(H₂ O₂) = 34.01 g/mol

• A) - 533 kJ
• B) - 288 kJ
• C) - 144 kJ
• D) - 133 kJ
• E) - 72.0 kJ

---

Definitions:

Predictive Validity

The extent to which a test or measure accurately predicts future performance or outcomes.

Test-retest Reliability

A measure of the consistency of a psychological test or assessment when administered at two different times.

Broad Tendencies

General patterns or widespread inclinations in behavior, thought, or attitude.

Enduring Characteristics

Persistent traits or qualities that define an individual's personality or behavior over time.