For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?

Related Mcqs:

1. In a closed vessel, a gas is heated from 300K to 600 K. The kinetic energy becomes__________?

   A. Double
   B. Same
   C. Half
   D. Four times

   Submitted by: Muhammad Ali Kunbhar

2. Pressure remain constant, at which temperature the volume of gas becomes twice of what it is at 0°C?

   A. 546 °C
   B. 546 K
   C. 200°C
   D. 273 K

   Submitted by: Muhammad Ali Kunbhar

3. Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?

   A. Charles’ Law
   B. Avogadro’s Law
   C. Graham’s Law
   D. Boyle’s law

   Submitted by: Malik Asghar Hussain

4. Hydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be_______________?

   A. 16 gmol-1
   B. 32 gmol-1
   C. 48 gmol-1
   D. 64 gmol-1

5. For a given process the heat changes at constant pressure (qp) and at constant volume (qv) are related to each other as___________________?

   A. qp = qv
   B. qp < qv
   C. qp > qv
   D. qp = qv / 2

6. At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?

   A. Half
   B. Double
   C. Same
   D. None

7. For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ?

   A. 1/2dm3
   B. 1/3dm3
   C. 1/4dm3
   D. 2/3dm3

8. If 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear ________________?

   A. Straight line parallel to x-axis
   B. Straight line parallel to y-axis
   C. Straight line
   D. Curve

9. For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?

   A. Kc is generally greaer than Kp
   B. Kc is generally less than Kp
   C. Kc is generally equal to Kp
   D. Kc is equal to Kp if the total moles of reactants and products are equal

10. The given dissociation constant (Ka) value 1.3×10-10 is of_________________?

    A. Alcohol
    B. Acetic acid
    C. Water
    D. Phenol