Volume of Gases and Number of Moles
Which of the following contains the maximum number of atoms and why?
The formula to find out the number of moles at STP is
Number of moles = Molar volume at STP (litres)Volume at STP (litres)
Volume occupied by 1 mole of a gas at STP is 22.7L or 22.4L?
As internet is showing it 22.4L and our school is teaching it 22.7L.
The number of moles present in 11.2 litres of CO2 at S.T.P is:
Calculate the molecular mass of a gas if the vapour density of the gas is 22.
What is the volume of the gas?
When a gas-filled closed vessel is heated to , its pressure increases by . What is the initial temperature of the gas?
- 273 K and 1 atm
- 27 K and 0 atm
- 100 K and 100 atm
- 373 K and 0 atm
What volume of oxygen at STP is required to affect the combustion of 11 litres of ethylene [C2H4] at 273∘C and 380 mm of Hg pressure?
- 200 cc of at S.T.P
- 150 cc of at S.T.P
- 50 cc of at S.T
- 150 cc of at S.T.P
Commercial volume of solution has a molarity of______
According to Charles's law, the volume of a gas is directly proportional to the number of molecules at constant temperature and pressure.
Which of the following is/are characteristic of gasses?
Gasses have fixed volume but not fixed shape.
Gases are highly expansible.
They have high density.
They can be liquified.
What volume of oxygen at STP is required to affect the combustion of 11 litres of ethylene at 273 C and 380 mm of Hg pressure?
Avogadro number represents the number of atoms in___.
1 gram of carbon-12
12 grams of carbon-12
32 grams of oxygen
320 grams of oxygen
The number of moles present in 224 L of nitrogen at STP is
Calculate the volume of oxygen required for the complete combustion of 8.8 g of propane (C3H8).
[Atomic mass: C = 12, O = 16, H = 1, Molar volume = 22.4 dm3 at stp]
The molecular mass of carbon dioxide is 44 g. The volume of 132 g of carbon dioxide at STP is
What is alkali salt?
Which of the following have hybridization?
Find the number of moles in of
N2 is found in a litre flask under 100kPa pressure and O2 is found in another 3 litre flask under 320 kPa pressure. If the two flasks are connected, the resultant pressures is
What is the amount of sulphuric acid require to neutralise completely 8g of caustic soda? Sir, can you provide me more such questions with answers.
A gas has a pressure of 1.26 atm and occupies a volume of 7.40 L. If the gas is compressed to a volume of 2.93 L, what will its pressure?
Only a very dilute solution of hydrogen chloride in water can be concentrated by boiling the solution while a very concentrated solution would become less concentrated when boiled explain why?