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Which of the following is not correct? ...

Which of the following is not correct?
Robert Brown discovered the cell.

A

Dissolution of a salt in excess of water may be endothermic process

B

Neutralisation is always exothermic

C

The absolute value of enthalpy (H) can be determined by calorimeter

D

The heat of reaction at constant volume is denoted by `deltaU`

Text Solution

Verified by Experts

The correct Answer is:
C
By calorimetry we can determine change in enthalpy.
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NARENDRA AWASTHI-THERMODYNAMICS-Exercise
  1. Enthalpy of neutralization of HCl by NaOH is -55.84 kJ/mol and by NH(4...

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  2. Which of the following equations are exothermic or endothermic? N2(g)...

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  3. Which of the following is not correct? Robert Brown discovered the c...

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  4. Substance A(2)B(g) can undergoes decomposition to form two set of prod...

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  5. Write structure of diphenylmethane.

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  6. The enthalpy change for the following reaction is 368 kJ. Calculate th...

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  7. Calculate the enthalpy change for the reaction H(2)(g) + Cl(2)(g) to ...

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  8. The table given below lists the bond dissociation energy (E("diss")) f...

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  9. Write iupac names of the following: CH2=CH-CH(CH3) -CH=CH-CH=CH2

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  10. Write iupac names of the following: CH=C-CH(CH3)-CH=CH2

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  11. Write iupac names of the following: CH3-C=C-CH(CH3)2

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  12. A heating coil is immersed in a 100 g sample of H(2)O (l) at a 1 atm ...

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  13. A rigid and insulated tank of 3m^(3) volume is divided into two compar...

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  14. Write iupac names of the following: Cl2-CH-CH2-OH

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  15. For an ideal gas (C(p,m))/(C(v,m))=gamma. The molecular mass of the ga...

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  16. 1 mole of an ideal gas A(C(v.m)=3R) and 2 mole of an ideal gas B are...

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  17. Calculate the work done by the system in an irreversible (single step)...

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  18. Write iupac names of the following: Br-CH2-CH2-CHO

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  19. A gas (C(v.m) = (5)/(2)R) behaving ideally is allowed to expand revers...

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  20. Two mole of an ideal gas is heated at constant pressure of one atmosp...

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