ExamBro
ExamBro
TS EAMCET · Chemistry · Thermodynamics (C)

If 92 g Na reacts with water in open vessel at 300 K. What is the value of work done? [Assume ideal nature of the gaseous product]

  1. A 0.0
  2. B -4988.4 J
  3. C -2494.2 J
  4. D -9976.8 J
Verified Solution

Answer & Solution

Correct Answer

(B) -4988.4 J

Step-by-step Solution

Detailed explanation

Reaction of sodium with water will be 2Na(s) + 2 H2O(l) → 2NaOH(aq) + H2(g) According to the given reaction 46 g of Na gives one mole of hydrogen gas. So, 92 g of Na will give =9246 = 2 moles of H2 gas This…