If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be__________________?

Related Mcqs:

1. Mixture of ice and water form a________________________?

   A. closed system
   B. open system
   C. isolated system
   D. heterogeneous system
   E. thermodynamic system.

2. A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is________________?

   A. 54°C
   B. 327°C
   C. 108°C
   D. 654°C
   E. 600°C

3. According to Dalton’s law, the total pres sure of the mixture of gases is equal to________________?

   A. greater of the partial pressures of all
   B. average of the partial pressures of all
   C. sum of the partial pressures of all
   D. sum of the partial pressures of all divided by average molecular weight
   E. atmospheric pressure

4. Temperature of a gas is produced due to________________?

   A. its heating value
   B. kinetic energy of molecules
   C. repulsion of molecules
   D. attraction of molecules
   E. surface tension of molecules

5. The basis for measuring thermodynamic property of temperature is given by___________________?

   A. zeroth law of thermodynamics
   B. first law of thermodynamics
   C. second law of thermodynamics
   D. third law of thermodynamics
   E. Avogadro’s hypothesis

6. For which of the following substances, the internal energy and enthalpy are the functions of temperature only____________________?

   A. any gas
   B. saturated steam
   C. water
   D. perfect gas
   E. superheated steam

7. According to Avogadro’s law, for a given pressure and temperature, each molecule of a gas_________________?

   A. occupies volume proportional to its molecular weight
   B. occupies volume proportional to its specific weight
   C. occupies volume inversely proportional to its molecular weight
   D. occupies volume inversely proportional to its specific weight
   E. occupies same volume

8. According to kinetic theory of gases, the absolute zero temperature is attained when___________________?

   A. volume of the gas is zero
   B. pressure of the gas is zero
   C. kinetic energy of the molecules is zero
   D. specific heat of gas is zero
   E. mass is zero

9. Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits ?

   A. 02, N2, steam, C02
   B. Oz, N2, water vapour
   C. S02, NH3, C02, moisture
   D. 02, N2, H2, air
   E. steam vapours, H2, C02

10. The unit of temperature in S.I. units is _________________?

    A. Centigrade
    B. Celsius
    C. Fahrenheit
    D. Kelvin
    E. Rankine