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Thermodynamics · 2021 · 25 Feb · Shift 1

2 Chemistry questions from this JEE Main paper
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Thermodynamics · 2021 · 25 Feb · Shift 1

2 Chemistry questions from this JEE Main paper

  1. Q16.The reaction of cyanamide, NH2​CN(s) with oxygen was run in a bomb calorimeter and Δ U was found to be − 742.24 kJ mol − 1. The magnitude of Δ H298 for the reaction NH2​CH(S)​+23​O2(g)​→N2(g)​+O2(g)​+H2​O(I)​…
    Chemistry · Thermodynamics · Numerical
  2. Q17.The ionization enthalpy of Na+ formation from Na(g) is 495.8 kJ mol − 1, while the electron gain enthalpy of Br is − 325.0 kJ mol − 1. Given the lattice enthalpy of NaBr is − 728.4 kJ mol − 1. The energy for the…
    Chemistry · Thermodynamics · Numerical