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Given : C("diamond")+O(2)rarrCO(2),De...

Given :
`C("diamond")+O_(2)rarrCO_(2),DeltaH=-395 kJ`
`C("graphite")+O_(2)rarrCO_(2),DeltaH=-393 kJ`
The enthalpy of formation of diamond from graphite is

A

`+ 2.0 kJ`

B

`-1.5 kJ`

C

`-788 kJ`

D

788 kJ

Text Solution

Verified by Experts

The correct Answer is:
A
C (graphite) `rarr` C (diamond)
`DeltaH=395-393=2`
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NARENDRA AWASTHI-THERMODYNAMICS-Exercise
  1. Calculate the standard enthalpy of reaction for the following reaction...

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  2. Given the following equations and DeltaH^(@) values, determine the ent...

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  3. Given : C("diamond")+O(2)rarrCO(2),DeltaH=-395 kJ C("graphite"...

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  4. Which of the following equations represents a reaction that provides t...

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  5. Use the given standard enthalpies of formation (in kJ/mol) to determin...

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  6. The standard enthalpy of formation of octane (C(8)H(18)) is -250kJ //m...

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  7. Determine the enthalpy of formation of B(2)H(6)(g) in kJ/mol of the fo...

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  8. Consider the following reactions: C(s)+O(2)(g)toCO(2)(g)+x " kJ" C...

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  9. If Delta(f)H^(@)(C(2)H(4)) and Delta(f)H^(@)(C(2)H(6)) are x(1) and x(...

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  10. Calculate the heat of formation of n butane from the following data: ...

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  11. The enthalpy of the reaction forming PbO according to the following eq...

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  12. The fat, C(57)H(104)O(6)(s), is metabolized via the following reaction...

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  13. The heat of formation of NH(3)(g) is -46 " kJ mol"^(-1). The DeltaH (i...

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  14. Consider the following reaction: H(2)O(l)toH(2)O(g)" "DeltaH(1)=44...

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  15. The standard enthalpy change for the following reaction is 436.4 kJ : ...

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  16. Determine enthalpy of formation for H(2)O(2)(l), using the listed enth...

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  17. Heat of combustion of ethanol at constant pressure and at temperature ...

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  18. Stearic acid [CH(3)(CH(2))(16)CO(2)H] is a fatty acid the part of fat ...

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  19. what do you mean by ortho position ?

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  20. What do you mean by para position ?

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