Q)
(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)
1 Answer
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