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#10199 Bangladesh Studies General Level 0

TiO2(s) এবং CO(g) এর 'প্রমাণ গঠন এনথালপি' যথাক্রমে -940KJmol-1 এবং -110KJmol-1 । TiO2(s)+2C(s)→Ti(s)+2CO(g), এই বিক্রিয়ার প্রমাণ এনথালপির পরিবর্তন কত?

  1. A +720KJmol-1
  2. B +830KJmol-1
  3. C -720KJmol-1
  4. D -830kJmol-1
Answer: A - +720KJmol-1

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