profile-img
Chandan Panigrahi posted an Question
November 11, 2020 • 05:12 am 30 points
  • IIT JAM
  • Chemistry (CY)

The standard molar enthalpy of combustion of carbon (grapnie at 25 c, 1 mole of mgso, was dissolved in water. the heat evolved was found to be 91.2 kj. one mole

The standard molar enthalpy of combustion of carbon (grapniE At 25 C, 1 mole of MgSO, was dissolved in water. the heat evolved was found to be 91.2 KJ. One mole of Mgso. 7H,O on dissolution gives a solution of the same composition accompanied by an absorption of 13.8 kJ. The enthalpy of hydration, i.e., AH for the reaction. MgSO,(s) + 7H,O() MgsO,.7H,O(s) is (A) -105 kJ/mol (B) -77.4 kJ/mol (C) 105 kJ/mol (D) None of these

1 Answer(s) Answer Now
  • 0 Likes
  • 2 Comments
  • 0 Shares
  • Suman Kumar best-answer

    https://doubtnut.com/question-answer-chemistry/at-25c-when-1-mole-of-mgso4-was-dissolved-in-water-the-heat-evolved-was-found-to-be-912-kj-one-mole--19379056 see this chandan

  • comment-profile-img>
    Priyanshu kumar

    https://doubtnut.com/question-answer-chemistry/at-25c-when-1-mole-of-mgso4-was-dissolved-in-water-the-heat-evolved-was-found-to-be-912-kj-one-mole--19379056 check this video solution

    eduncle-logo-app

    got this chandan?

whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers