Question:
Following process is used in welding metals C H g O g H O g
Last updated: 7/4/2023
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Following process is used in welding metals C H g O g H O g 2CO g 5 2 If 39 gm of acetylene undergo combustion at 25 Take R JK mol 3 A q for process 1197 5 kJ C AS 3000 J K 4H 1200 kJ mol 1 atm and 327 C then B Work done 2 5 kJ D AS is negative