Chemistry-
General
Easy
Question
5.40 gm of an unknown gas at 27°C occupies the same volume as 0.14 gm of hydrogen at 17°C and same pressure. The molecular weight of unknown gas is
- 79.8
- 81
- 79.2
- 83
The correct answer is: 79.8
Related Questions to study
Chemistry-
Under same condition of temp. and pressure, a cycloalkene was found to diffuse 3 times slower than hydrogen. Cycloalkene is
Under same condition of temp. and pressure, a cycloalkene was found to diffuse 3 times slower than hydrogen. Cycloalkene is
Chemistry-General
Chemistry-
1 mole of N2O4 (g) at 300 K is kept in dosed container under 1 atm. It is heated to 600K when 20% mass of N2O4(g) decomposes to NO2(g). The resultant pressure is
1 mole of N2O4 (g) at 300 K is kept in dosed container under 1 atm. It is heated to 600K when 20% mass of N2O4(g) decomposes to NO2(g). The resultant pressure is
Chemistry-General
Chemistry-
I, II, III are three isotherm respectively at T1, T2 & T3 temperatures will be in order
I, II, III are three isotherm respectively at T1, T2 & T3 temperatures will be in order
Chemistry-General
Chemistry-
See the figure. The valves of X & Y are opened simultaneously. The white fumes of NH4Cl will first from at
See the figure. The valves of X & Y are opened simultaneously. The white fumes of NH4Cl will first from at
Chemistry-General
Chemistry-
Distribution of molecules with velocity is represented by the curve. Point A in the curve shifts to the higher value of velocity if
Distribution of molecules with velocity is represented by the curve. Point A in the curve shifts to the higher value of velocity if
Chemistry-General
Chemistry-
The temperature at which a real gas obeys the ideal gas laws at fairly wide range of pressure is
The temperature at which a real gas obeys the ideal gas laws at fairly wide range of pressure is
Chemistry-General
Physics-
The axes of the polariser and analyser are inclined to each other at 60° If the amplitude of polarised light emergent through analyzer is A The amplitude of unpolarised light incident on polariser is
The axes of the polariser and analyser are inclined to each other at 60° If the amplitude of polarised light emergent through analyzer is A The amplitude of unpolarised light incident on polariser is
Physics-General
Chemistry-
5.40 gm of an unknown gas at 27°C occupies the same volume as 0.14 gm of hydrogen at 17°C and same pressure. The molecular weight of unknown gas is
5.40 gm of an unknown gas at 27°C occupies the same volume as 0.14 gm of hydrogen at 17°C and same pressure. The molecular weight of unknown gas is
Chemistry-General
Chemistry-
In a closed vessel, a gas is heated from 300 K to 600 K the kinetic energy becomes/remain
In a closed vessel, a gas is heated from 300 K to 600 K the kinetic energy becomes/remain
Chemistry-General
Chemistry-
A flask of methane (CH4) was weighed, methane was then pushed out and that flask again weighed when filled with oxygen at the same temperature and pressure. The mass of oxygen would be
A flask of methane (CH4) was weighed, methane was then pushed out and that flask again weighed when filled with oxygen at the same temperature and pressure. The mass of oxygen would be
Chemistry-General
Chemistry-
The density of O2 gas at 25oC is 1.458 mg/lt at one atm pressure. At what pressure will O2 have the density twice the value
The density of O2 gas at 25oC is 1.458 mg/lt at one atm pressure. At what pressure will O2 have the density twice the value
Chemistry-General
Chemistry-
A gas can be liquefied by pressure alone when its temperature
A gas can be liquefied by pressure alone when its temperature
Chemistry-General
Chemistry-
Which one of the following species is isoelectronic with P3–?
Which one of the following species is isoelectronic with P3–?
Chemistry-General
Chemistry-
The energy of an electron in the first Bohr orbit for He+ ion is –54.4 eV. Which one of the following is a possible excited state for electron in Bohr orbit of He+ ion?
The energy of an electron in the first Bohr orbit for He+ ion is –54.4 eV. Which one of the following is a possible excited state for electron in Bohr orbit of He+ ion?
Chemistry-General
Chemistry-
Which of the following electronic transitions from one orbit to another corresponds to the third line in the Balmer series of hydrogen spectrum?
Which of the following electronic transitions from one orbit to another corresponds to the third line in the Balmer series of hydrogen spectrum?
Chemistry-General