Advertisements
Advertisements
प्रश्न
Solve problem:
In two moles of acetaldehyde (CH3CHO) calculate the number of moles of oxygen
उत्तर
Molecular formula of acetaldehyde: C2H4O
Moles of acetaldehyde = 2 mol
Number of moles of oxygen atoms = Moles of acetaldehyde × Number of oxygen atoms
= 2 × 1
= 2 moles of oxygen atoms
Number of moles of oxygen is 2 mol
APPEARS IN
संबंधित प्रश्न
What is meant by the molar volume of a gas?
Solve problem:
Calculate the number of moles of hydrogen in 0.448 litre of hydrogen gas at STP.
Solve problem:
A student used a carbon pencil to write his homework. The mass of this was found to be 5 mg. With the help of this calculate the number of moles of carbon in his homework writing.
Solve problem:
A student used a carbon pencil to write his homework. The mass of this was found to be 5 mg. With the help of this calculate The number of carbon atoms in 12 mg of his homework writing
In two moles of acetaldehyde \[\ce{CH3CHO}\] calculate the number of moles of carbon.
Solve problem:
In two moles of acetaldehyde (CH3CHO) calculate the number of moles of hydrogen
Solve problem:
In two moles of acetaldehyde (CH3CHO) calculate the number of molecules of acetaldehyde
Mole is the SI unit of ____________.
Isothermally and reversibly one mole of neon expands from 2 m3 to 20 m3 and produces 831.4 J of work. The temperature at which expansion takes place is ____________.
(R = 8.314 J K-1 mol-1)
An ideal gas expands isothermally and reversibly from 10 m3 to 20 m3 at 300 K, performing 5.187 kJ of work on surrounding, calculate number of moles of gas used.
The volume in dm3 occupied by 15.0 g of ethane at STP is ____________.
The volume of 1 mole of any pure gas at standard temperature and pressure is always equal to ______.
What will be the volume of oxygen gas produced, if the reaction \[\ce{2KClO_{3(s)} -> 2KCl_{(s)} + 3O_{2(g)}}\]; ΔH° = - 78 kJ is carried out at S.T.P.?
How many moles of methane are present in 11.2 Lat S.T.P.?
Which gas among the following contains a maximum number of molecules at STP?
(Molar masses in g mol-1 : CO2 = 44, Ar = 39.9, CH4 = 16, O2 = 32)
