In an adiabatic process $90J$ of work is done on the gas. The change in internal energy of the gas is ....... $J$
Easy
Download our app for free and get startedPlay store
(b) For adiabatic process $\Delta Q = 0$

From $\Delta Q = \Delta U + \Delta W$==> $0 = \Delta U - 90$ ==> $\Delta U = + 90J$

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
    In an $H_2$ gas process, $PV^2 =$ constant. The ratio of work done by gas to change in its internal energy is
    View Solution
  • 2
    A diatomic ideal gas is compressed adiabatically to $\frac{1}{32}$ of its initial volume. If the initial temperature of the gas is $T_1$ (in Kelvin) and the final temperature is $a T_1$, the value of $a$ is
    View Solution
  • 3
    Following figure shows two processes $A$ and $B$ for a gas. If $\Delta Q_A$ and $\Delta Q_B$ are the amount of heat absorbed by the system in two cases, and $\Delta U_A$ and $\Delta U_B$ are changes in internal energies, respectively, then
    View Solution
  • 4
    The efficiency of the cycle shown below in the figure (consisting of one isobar, one adiabat and one isotherm) is $50 \%$. The ratio $x$, between the highest and lowest temperatures attained in this cycle obeys (the working substance is an ideal gas)
    View Solution
  • 5
    The $P-V$ graph of an ideal gas cycle is shown here as below. The adiabatic process is described by
    View Solution
  • 6
    A gas is suddenly compressed to $1/4$ th of its original volume at normal temperature. The increase in its temperature is ....... $K$ $(\gamma = 1.5)$
    View Solution
  • 7
    Two identical samples of a gas are allowed to expand $(i)$ isothermally $(ii)$ adiabatically. Work done is
    View Solution
  • 8
    An enclosed one mole of a monoatomic gas is taken through a process $A$ to $B$ as shown in figure. The molar heat capacity of the gas for this process is
    View Solution
  • 9
    In the figure shown, amount of heat supplied to one mole of an ideal gas is plotted on the horizontal axis and amount of work done by gas is drawn on vertical axis. Assuming process be isobaric i.e. gas can be 
    View Solution
  • 10
    For the given cyclic process $CAB$ as shown for a gas, the work done is ..... $J$
    View Solution