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Bromination

51 For the al...

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51 For the allotropic change represented by the equation C(graphite) ----------> C(diamond), the enthalpy change is 1.9 kJ. If 6g of diamond and 6g of graphite are seperately burnt to yield CO2, the heat liberated in first case is A less than in the second case by 1.9 kJ B more than in second case by 11.4 kJ C more than in the second case by 0.95 kJ D less than in the second case by 11.4 kJ

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Q. For the allotropic change represented by the equation

C (g r a p h i t e) \to C (d i a m o n d), δ H = 1.9 k J .

If 6 g of diamond and 6 g of graphite are separately burnt to yield

C O_{2},

the enthalpy liberated in first case is:

Q. For the allotropic change represented by the equation:

C (g r a p h i t e) \to C (d i a m o n d), △ H = 1.9 k J .

6

g of diamond and

6

g of graphite are separately burnt to yield

C O_{2}

, the enthalpy liberated in first case is?

Q. For the change,

C_{d i a m o n d} ⟶ + C_{g r a p h i t e}; Δ H = - 1.89 k J

, if 6 g of diamond and 6 g of graphite are separately burnt to yield

C O_{2}

the heat liberated in first case is:

Q. For the change,

C_{d i a m o n d} ⟶ C_{g r a p h i t e}; Δ H = - 1.89 k J

6 g

6 g

of graphite are separately burnt to yield

C O_{2}

the heat liberated in first case is:

Q. The enthalpy of transition of C(diamond) to C(graphite) is?
Given that the enthalpies of combustion of C(diamond) and C(graphite) are – 393.5 and – 395.4 kJ

m o l^{- 1}

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