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Recent questions tagged telegram-62143

(chatquestion)...2. The temperature of 5 ml of a strong acid increases by 5° C when 5 ml of a strong base is added to it. If 10 ml of each is mixed, temperature should increase by (A) 5° C (C) 15° C (B) 10° C (D) cannot be known The dissociation energy of CH4 and C2H6 are respectively 360 & 620 k. cal/mole. The bond energy of C-C is (A) 260 kcal/mole (C) 130 kcal/mole (B) 180 kcal/mole (D)80kcal/mole 4. he heat of combustion of propane C.Helg) is AH=-2220 k.L/mol. For the combustion of 1.00 m of C3H8(g) measured at 25° C and 1 atm pressure, AH = (A) -2220 kJ (C) -(1.00/ 22.4) × (298 /273) × 2220 kJ (B) + (1.00/22.4) x 2220 kJ (D) -1000 x 2220/(0.082 x 298) kJ...(Someone plz solve Q4)

asked Apr 8, 2020 by balaji.thirumalai

1 answer

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