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672 Doubt Solutions

02Experimental Techniques In Chemistry

1344 Doubt Solutions

2016 Doubt Solutions

2688 Doubt Solutions

3360 Doubt Solutions

4032 Doubt Solutions

4704 Doubt Solutions

08Chemical Equilibrium

5376 Doubt Solutions

09Solutions

6048 Doubt Solutions

10Electrochemistry

6720 Doubt Solutions

11Reaction Kinetics

7392 Doubt Solutions

Q.1 Select the suitable answer from the given choices.(iv) The change in heat energy of a chemical reaction at constant temperature and pressure is called:(a) enthalpy change(c) heat of sublimation(b) bondenergy(d) internal energy change

$Q.5(a) Differentiate between the following:(i) Internal energy and enthalpy$

$Q.4. Define the following terms and give three examples of each(v) Exothermic reaction$

$Q.4. Define the following terms and give three examples of each(viii) Enthalpy of the system$

$(b) How do you measure the heat of combustion of a substance by bomb calorimeter.$

$Q.4. Define the following terms and give three examples of each(ii) Surroundings$

$Q.20 What is the meaning of the term enthalpy of ionization? If the heat of neutralization of \mathrm{HCl} and \mathrm{NaOH} is -57.3 \mathrm{~kJ} \mathrm{~mol}^{-1} and heat of neutralization of \mathrm{CH}_{3} \mathrm{COOH} with \mathrm{NaOH} is -55.2 \mathrm{~kJ} \mathrm{~mol}^{-1} calculate the enthalpy of ionization of \mathrm{CH}_{3} \mathrm{COOH} .(Ans: 2.1 \mathrm{~kJ} \mathrm{~mol}^{-1} )$

First Year Chemistry ThermoChemistry