Recent questions tagged behaviour-of-gases

The graph of PV v/s T is plotted for $Co_2,H_2$ and $N_2$ samples of equal masses Then the correct statement is

asked May 2, 2014 by meena.p

1 answer

The number of particles in a cubic millimeter of a gas at temperature 273 K and 1.00 atm pressure is

asked Mar 27, 2014 by yamini.v

1 answer

A closed vessel contains 8 g of oxygen and 7 g of nitrogen . The total pressure is 10 atm at a given temperature . If now oxygen is absorbed by introducing a suitable absorbent , the pressure of the remaining gas is atm will be

asked Mar 27, 2014 by yamini.v

1 answer

Which of the following quantities is zero on an average for the molecules of an ideal gas in equilibrium ?

asked Mar 26, 2014 by yamini.v

1 answer

If ideal gas is taken through a process given by the graph below, identify which of the following options is incorrect:

asked Mar 11, 2014 by balaji.thirumalai

1 answer

If the plot of density $\rho$ versus temperature $T$ is as given below, identify which of the following statements is incorrect?

asked Mar 11, 2014 by balaji.thirumalai

1 answer

The density of the gaseous mixture of Hydrogen and Carbon-di-Oxide is $\large\frac{30\;g}{22.4\;l}$ at NTP. What is the % composition of Hydrogen and Carbon-di-oxide by volume in the mixture respectively?

asked Mar 11, 2014 by balaji.thirumalai

1 answer

A student while performing an experiment forgot to add the reaction mixture and started heating the open round bottom flask on the flame. If he found the temperature to be $227 ^{\circ} C$ after heating, which was $27 ^{\circ} C$ earlier, what fraction of air would have been expelled out?

asked Mar 11, 2014 by balaji.thirumalai

1 answer

An open vessel containing 3 moles of an ideal gas at $ 300 ^{\circ}$ is heated to $ 500 ^{\circ}$. What is the number of moles left after heating?

asked Mar 11, 2014 by balaji.thirumalai

1 answer

When an open vessel is heated, which of the following holds true for the ideal gas inside the vessel?

asked Mar 11, 2014 by balaji.thirumalai

1 answer

Which of the following does not represent Charle's law?

asked Feb 5, 2014 by balaji

1 answer

Which of the following does not represent Boyle's law?

asked Feb 5, 2014 by balaji

3 answers

An oxide of nitrogen at NTP has a density equal to another oxide of Nitrogen at $12^{\circ}$. If we consider pressure conditions to be the same, what are the two oxides involved?

asked Feb 5, 2014 by balaji

1 answer

At $0^{\circ}$, the density of carbon-di-oxide is the same as that of an oxide of nitrogen. The oxide of nitrogen is which of the following, considering the pressure conditions to be the same?

asked Feb 5, 2014 by balaji

1 answer

Gas-A is kept in the left partition of the container with a temperature of T at pressure 2P. Gas-B is kept in the right part of the container with a temperature of 4T at pressure P. When what is the value of the Pressure P' when the partition is removed?

asked Jan 31, 2014 by balaji

1 answer

Gas-A is kept in the left partition of the container with a volume 2V at pressure P. Gas-B is kept in the right part of the container with a volume of 3V at pressure P. Both the portions are the same temperature T. When what is the value of the Pressure P' when the partition is removed?

asked Jan 31, 2014 by balaji

1 answer

Gas-A is kept in the left partition of the container with a volume V/n at pressure P. Gas-B is kept in the right part of the container with a volume of V/(n+1) at pressure P. Both the portions are the same temperature T. When what is the value of the Pressure P' when the partition is removed?

asked Jan 31, 2014 by balaji

1 answer

Consider the following case. What is the value of P' ?

asked Jan 31, 2014 by balaji

1 answer

Hot air balloon is an application of what law?

asked Jan 31, 2014 by balaji

3 answers

Bursting of a soda bottle in summer is an example of ?

asked Jan 31, 2014 by balaji

1 answer

Which of the following graphs will be linear with zero slope in case of an ideal gas?

asked Jan 31, 2014 by balaji

1 answer

A vessel is filled with an ideal gas at 76 cm of Hg (mercury). The mass of gas is increased by 25% by introducing more gas at the same temperature. What is the resultant pressure of Hg in cm?

asked Jan 28, 2014 by balaji.thirumalai

1 answer

A given sample of ideal gas is made to undergo a process in which the temperature decreases by 10% and the pressure decreases by 8%. By what % does the volume change?

asked Jan 28, 2014 by balaji.thirumalai

1 answer

By what percentage should the volume be decreased to increase the pressure by 10% at constant temperature?

asked Jan 24, 2014 by balaji.thirumalai

1 answer

An ideal gas occupies a volume V at temperature T and pressure P. The mass of each molecule is m. The molar mass of the gas is M. Which of the following cannot be an expression for density of an ideal gas?

asked Jan 23, 2014 by balaji.thirumalai

1 answer

An ideal gas occupies a volume V at temperature T and pressure P. The mass of each molecule is m. The molar mass of the gas is M. Then the temperature at which the sample of gas will weight m is given by which of the following options?

asked Jan 23, 2014 by balaji.thirumalai

1 answer

An ideal gas occupies a volume V at temperature T and pressure P. The mass of each molecule is m. Then the number of molecules in the sample is?

asked Jan 23, 2014 by balaji.thirumalai

1 answer

A gas is found to obey the law $P =kV^{-2}$. The initial volume is $V_0$. If the gas expands to $4 V_0$ and if the initial temperature is $T_0$ what is its final temperature?

asked Jan 23, 2014 by balaji.thirumalai

1 answer

A gas is found to obey the law $P^3V =$ constant. The initial temperature and volume are $T_0$ and $V_0$. If the gas expands to $2 V_0$ what happens to the internal energy?

asked Jan 23, 2014 by balaji.thirumalai

1 answer

If a gas is made to expand in such a way that pressure increases and its final and initial volumes are equal then which of the following statements must be true?

asked Jan 23, 2014 by balaji.thirumalai

1 answer

If a gas is made to expand in such a way that its final and initial pressure are equal then which of the following statements cannot be true?

asked Jan 23, 2014 by balaji.thirumalai

1 answer