The average thermal energy of oxygen at a temperature of 27C (А) 6.2times10^(-21) J (В) 4.5times10^(-21) J (C) 3.5times10^(-21) J (D) 1.2times10^(-21) J

A 15pF capacitor is connected to a 60V battery.How much electrostatic energy is stored? (A) 2.70times10^(-8)J (B) 1.77times10^(-8)J (C) 2.35times10^(-8)J (D) 1.35times10^(-8)J

What will be the angular momentum of a electron,if energy of this electron in H-atom is 1.5eV (in J-sec) (A) 1.05times10^(-34) (B) 2.1times10^(-34) (C) 3.15times10^(-34) (D)-2.1times10^(-34)

Simplify: 10^(-1)times10^(2)times10^(-3)times10^(4)times10^(-5)times10^(6)

The average kinetic energy of gas molecule at 27^(@)C is 6.21xx10^(-21) J. Its average kinetic energy at 127^(@)C will be

The average kinetic energy of a hydrogen molecule at 27^(@)C is 9.3 xx 10^(-21) J . The mass of hydrogen molecule is 3.1 xx 10^(-27) kg . (i) Determine the average kinetic en-ergy at 227^(@)C . (ii) Determine the root mean square speed of hydrogen molecule at 27^(@)C .

If the average kinetic energy of gas molecule at 27^(@)C is 6.21xx10^(-21)J , then the average kinetic energy at 227^(@)C will be

The average energy of molecules in a sample of oxygen gas at 300 K are 6.21xx10^(-21)J . The corresponding values at 600 K are

At what temperature the kinetic energy of a molecule will be equal to 2.8 xx 10^(-20) J ? Boltzmann constant (k_(B)) = 1.4 xx 10^(-23) J "molecule"^(-1)K^(-1)

" Wavelength associated with a Helium atom moving with a velocity of "10^(5)cms^(-1)" is (Atomic mass of "He=4amu;N=6times10^(23);h=6.625times10^(-34)J_(8)" ) "

Kinetic energy of oxygen molecule at 0^(@) C is 9.4 xx 10^(-21) j . Calculate Avogadro's number, when R = 8.31 J "mole"^(-1) K^(-1) .