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Coal and petrolem are called……………..fuels...

Coal and petrolem are called……………..fuels.

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Explore conceptually related problems

(a) What happens when carbon burns in air ? Write the chemical equation of the reaction which takes place. (b) Why are coal and petroleum called fossil fuels ? (c ) Explain how coal was formed in the earth. (d) Describe how petroleum was formed in the earth (e ) Name a fossil fuel other than coal and petroleum.

Why are coal and petrodeum called fossil fuels ?

Coal, oil and natural gas are examples of fuels.

Coal gas, coke and coal are:

Coal , petrol and Kersoene are fossil fuels.

Besides coal and petroleum, which among the following is also a fossil fuel?

CENGAGE CHEMISTRY-THERMODYNAMICS-Exercises (Fill In The Blanks)
  1. For a process to be spontaneous, DeltaG must be………… .

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  2. An endothermic process is non-spontaneous at some temperature. It can ...

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  3. Coal and petrolem are called……………..fuels.

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  4. The heat content of the products is more than that of the reactants in...

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  5. H(2)(g)+(1)/(2)O(2)(g)rarr2H(2)O(l), DeltaH =- 286 kJ 2H(2)(g)+O(2)(...

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  6. C(4)H(10)+(13)/(2)O(2)(g)rarr4CO(2)(g)+5H(2)O(l), DeltaH =- 2878 kJ ...

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  7. HCI +NaOH rarr naCI +H(2)O, DeltaH =- 57.1 kJ mol^(-1) DeltaH is the...

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  8. C(s)("graphite") rarr C(g), DeltaH = 716.7 kJ DeltaH is the heat of ...

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  9. C(s)("diamond") rarr C(g), DeltaH =- 714.8 kJ DeltaH is the heat of ...

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  10. H(2)O(s) rarr H(2)O(l), DeltaH = 6.01 kJ DeltaH is the heat of ……………...

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  11. H(2)O(l) rarr H(2)O(s), DeltaH =- 6.01 kJ DeltaH is the heat of …………...

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  12. H(2)O(l) rarr H(2)O(g), DeltaH = +40.7 kJ DeltaH is the heat of …………...

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  13. H(2)O(g) rarr H(2)O(l), DeltaH =- 40.7 kJ DeltaH is the heat of……………...

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  14. When heat is absorbed by the ststem, the sign of the value of q is tak...

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  15. A system is……………..if it cannot exchange matter and energy with the sur...

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  16. The entropy of gases is always……………….than that of liquids.

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  17. Heat of reaction at constant pressure is………….. .

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  18. A bomb calorimeter is used to measure the value of……………….at constant……...

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  19. Delta^(Theta)G(standard free energy change) is free energy change for ...

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  20. H(2)(g)+Br(2)(g) rarr 2HBr(g), DeltaH^(Theta) =-72.40 kJ DeltaG^(The...

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