Molar specific heat of oxygen at constant pressure ${C_p} = 7.2\,cal/mol^\circ C$ and $R = 8.3 joule/mol/K$. At constant volume, $5\, mol$ of oxygen is heated from $10°C$ to $20°C$, the quantity of heat required is approximately ........ $cal$
  • A$25$
  • B$50$
  • C$250$
  • D$500$
Medium
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    A vessel contains $1$ mole of ${O_2}$ gas (molar mass $32)$ at a temperature $T.$ The pressure of the gas is $P. $ An identical vessel containing one mole of $He$ gas (molar mass $4)$ at temperature $2T$ has a pressure of
    View Solution
  • 2
    An ideal gas occupies a volume of $2\, m^3$ at a pressure of $3\times10^6\, Pa$. The energy of  the gas is
    View Solution
  • 3
    To what temperature should the hydrogen at $327°C$ be cooled at constant pressure, so that the root mean square velocity of its molecules become half of its previous value ....... $^oC$
    View Solution
  • 4
    A gas is collected over the water at $25°C.$ The total pressure of moist gas was $735 \,mm$ of mercury. If the aqueous vapour pressure at $25°C$ is $23.8\, mm.$ Then the pressure of dry gas is..... $mm$
    View Solution
  • 5
    The temperature at which the $r.m.s.$ speed of hydrogen molecules is equal to escape velocity on earth surface, will be ...... $K$
    View Solution
  • 6
    One mole of ideal monoatomic gas $(\gamma = 5/3)$ is mixed with one mole of diatomic gas $(\gamma = 7/5).$ What is $\gamma $ for the mixture$?$ $\gamma $ denotes the ratio of specific heat at constant pressure, to that at constant volume
    View Solution
  • 7
    Molecules of a gas behave like
    View Solution
  • 8
    $4$ moles of an ideal gas is at $0°C.$ At constant pressure it is heated to double its volume, then its final temperature will be ...... $^oC$
    View Solution
  • 9
    An ideal gas is enclosed in a cylinder at pressure of $2\,atm$ and temperature, $300\,K.$ The mean time between two successive collisions is $6 \times 10^{-8}\, s.$ If the pressure is doubled and temperature is increased to $500\,K,$ the mean time between two successive collisions will be close to
    View Solution
  • 10
    A mixture of $2$ moles of helium gas (atomic mass $=4 \ amu$ ), and $1$ mole of argon gas (atomic mass $=40 \ amu$ ) is kept at $300 \ K$ in a container. The ratio of the rms speeds $\left(\frac{\left. v _{ mms } \text { (helium }\right)}{ v _{\text {rms }} \text { (argon) }}\right)$ is :
    View Solution