Chemistry-
General
Easy

Question

Which othfollowinreactionrepresents ΔH(hydration)-

  1. CuSO4(s)+(aq)→CuSO4(aq);ΔH=–xKJ    
  2. BaCl2(s)+2H2O(ell)→BaCl2.2H2O(s);ΔH=xKJ    
  3. CuSO4(s)+5H2O(ell)+(aq) →CuSO4.H2O(aq);ΔH=yKJ    
  4. Nonof the above    

The correct answer is: BaCl2(s)+2H2O(ell)→BaCl2.2H2O(s);ΔH=xKJ

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