m = 2kg
R = 0.4305 kJ/kg.K
∆U = 1458.01 kJ
∆H = 2189.13 kJ
∆H=∆U−mR∆T2189.13=1458.01−2(0.4305)∆T731.12=0.861∆T∆T=849.15K∆H = ∆U -mR∆T\\ 2189.13 = 1458.01 - 2(0.4305)∆T \\ 731.12 =0.861∆T\\ ∆T = 849.15K∆H=∆U−mR∆T2189.13=1458.01−2(0.4305)∆T731.12=0.861∆T∆T=849.15K
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