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Calculate enthalpy of the reaction : 4NH...

Calculate enthalpy of the reaction : `4NH_3(g) +3O_2(g) rarr 2N_2(g)+ 6H_2O (I)` at 298K, given `/_\H_f` for , ` NH_3 (g)`, `H_2O (I)` are - 46 k J / mol and -286 k J per mol respectively.

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OMEGA PUBLICATION-SAMPLE QUESTION PAPER -v (PUNJAB)-QUESTION
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  2. Calculate the kinetic energy of 0.2 g of H2 at 27^@C.

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  3. Calculate enthalpy of the reaction : 4NH3(g) +3O2(g) rarr 2N2(g)+ 6H2O...

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  5. BF3 acts as a Lewis acid. Why ?

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  6. Can you prepare a solution having pH more than 14 ?

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  7. Write IUPAC name of the following compounds C(6)H(5)-CH = CH-CH(2)C...

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  8. Write IUPAC name of the following compounds CH(3)-CH = CH-C = CH

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  11. Give the chemistry of Solvay process for the manufacture of Na(2)CO(3)...

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  12. Group 2 elements are denser and harder than group 1 elements. Why ?

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  13. What is isotopic effect?

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  14. How does H(2)O(2) reacts with : ( a) PbS (b) Acidified FeS0(4)

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  15. Explain why H2O is a liquid but H2S is a gas at room temperature.

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  16. Give the chemistry of Borax bead test.

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  17. Calculate the formal charge on each O-atom in O3.

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  18. Define bond order. What is its importance? Calculate bond.order in 0(2...

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  19. Explain the quantum number n, l and m. Also give the physical signific...

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