Use the Standard Reaction Enthalpies Given Below to Determine

question 78

Multiple Choice

Use the standard reaction enthalpies given below to determine H° for the following reaction: P₄(g) + 10Cl₂(g) → 4PCl₅(s) H° = ?
Given:
PCl₅(s) → PCl₃(g) + Cl₂(g) H°= +157 kJ
P₄(g) + 6Cl₂(g) → 4PCl₃(g) H° = -1207 kJ

• A) -1835 kJ mol^-1
• B) -1364 kJ mol^-1
• C) -1050 kJ mol^-1
• D) -1786 kJ mol^-1
• E) -2100 kJ mol^-1

Comprehend the structure and function of nerve cells and their components, such as axons, dendrites, and synapses.

Identify and describe the role of key elements in nerve impulse transmission, including voltage-sensitive ion channels and the properties of myelin.

Explain the significance of refractory periods in the propagation of nerve impulses and neural function.

Describe the mechanisms of neurodegenerative diseases such as ALS and MS, and understand their symptoms and risk factors.

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