Hydrogen Atom: How Fast Must a Hydrogen Atom Be Traveling

question 43

Multiple Choice

Hydrogen atom: How fast must a hydrogen atom be traveling for its kinetic energy to be just enough to excite the ground-state atom to its first excited state in a collision? (1 eV = 1.60 × 10^-19 J, m_h ≈ m_proton = 1.67 × 10^-27 kg)

• A) 44.2 km/s
• B) 21.7 km/s
• C) 66.5 km/s
• D) 113 km/s
• E) 51.0 km/s

Understand the basic principles of cellular respiration, including the stages and their outcomes.

Recognize the role and conversion of key molecules like glucose, pyruvate, and ATP during cellular respiration.

Identify the processes and significance of glycolysis, the citric acid cycle, and the electron transport chain.

Appreciate the relationship between the efficiency of ATP production and the steps of cellular respiration.

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