For which change,

CHEMISTRY · Single correct · CBSE · Chemistry · Thermodynamics · Thermodynamics

Problem

For which change, ΔH≠ΔE\Delta H \neq \Delta E (1) H2+I2→2HIH_2 + I_2 \to 2HI (2) HCl+NaOH→NaCl+H2OHCl + NaOH \to NaCl + H_2O (3) C(s)+O2(g)→CO2(g)C_{(s)} + O_{2(g)} \to CO_{2(g)} (4) N2+3H2→2NH3N_2 + 3H_2 \to 2NH_3

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