The reaction of cyanamide, NH₂CN_(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 N H₂ C H (S) + 3/2O 2(g) → N 2(g) + O 2(g) + H₂O (I) is _ _ _ _ k J. (Rounded off to the nearest integer) [Assume ideal gases and R = 8.314 J mol⁻¹ K⁻¹]

Chemical Thermodynamics: JEE Main 2021 Chemistry question

JEE Main 2021 · 25 Feb, Morning shift · Q18

JEE Main 202125 Feb, Morning shiftChemistryHardChemical Thermodynamics84× since 2002

The reaction of cyanamide, NH₂CN_(s) with oxygen was run in a bomb calorimeter and

\Delta

U was found to be

-

742.24 kJ mol^

-

1. The magnitude of

\Delta

H₂₉₈ for the reaction

N{H_2}C{H_{(S)}} + {3 \over 2}{O_{2(g)}} \to {N_{2(g)}} + {O_{2(g)}} + {H_2}{O_{(I)}}

is _________ kJ. (Rounded off to the nearest integer) [Assume ideal gases and R = 8.314 J mol^

-

1 K^

-

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2021 Chemical Thermodynamics Question with Answer (25 Feb Morning shift, Q18) | JEE Arc