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Calculate the mass of urea [CO(NH2)2] re...

Calculate the mass of urea `[CO(NH_2)_2]` required in making 2.5 kg of 0.25 molal aqueous solution.

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UNITED BOOK HOUSE-MP_1-EXERCISE
  1. Give example of a anit-freeze.

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  2. Why is the vapour pressure of an aqueous solution of glucose lower tha...

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  3. Calculate the mass of urea [CO(NH2)2] required in making 2.5 kg of 0.2...

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  4. A compound (A) (C7H4N) on hydrolysis with strong aqueous acid gives an...

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  5. Convert: Glucose → Glueosazone.

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  6. Define petide bond with an example.

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  7. Write the name and structure of the monomer of natrual rubber.

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  8. Explain the following terms: Molecularity of a reaction.

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  9. Explain the following terms: Energy of activation.

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  10. The time required of 10% completion of a first order reaction at 298K ...

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  11. Explain the following terms: Order of a reaction

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  12. Explain the following terms: rate of a reaction.

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  13. The half life of a first order decomposition of NH2NO2 is 2.1 hour at ...

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  14. Draw the structure of the following: P4O(10)

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  15. Draw the structure of the following: SF4

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  16. Explain the following: The reduction of Cr2O3 with AI is thermodynamic...

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  17. How is wrought iron different from steel?

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  18. Write (A) to (J) in the following reaction sequence: CH3-overset(O)ov...

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  19. What are (A) to (J) in the following reaction sequence? H2C-CHO overse...

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  20. What are (A) to (J) in the following reaction sequence?

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