Advertisements
Advertisements
प्रश्न
A sample of carbon dioxide occupies 30 cm3 at 15°C and 740 mm pressure. Find its volume at STP.
उत्तर
V = 30 cm3
P = 740 mm
T = 288 K
P1 = 760 mm
V1= ?
T1 = 273 K
Using gas equation,
`"PV"/"T" = ("P"_1 "V"_1)/"T"_1`
`(740xx30)/288 = (760xx"V"_1)/273`
`"V"_1 = 27.7 "cm"^3`
APPEARS IN
संबंधित प्रश्न
What is the volume occupied by 48g of oxygen gas at STP?
What volume of hydrogen sulphide at STP will burn in oxygen to yield 12.8g what volume of oxygen would be required for complete combustion?
What is the volume at S.T.P. of 7.1 g of chlorine?
60 cm3 of oxygen was added to 24 cm3 of carbon monoxide and mixture ignited. Calculate the volume of oxygen used up.
How much calcium oxide is obtained by heating 82 g of calcium nitrate? Also, find the volume of NO2 evolved:
\[\ce{2Ca(NO3)2 ->2CaO + 4NO2 + O2}\]
The following question refers to one mole of chlorine gas.
What is the volume occupied by this gas at STP?
What volume of hydrogen and oxygen measured at S.T.P. will be required to prepare 1.8 g of water?
The following experiment was performed in order to determine the formula of a hydrocarbon. The hydrocarbon X is purified by fractional distillation.
0.145 g of X was heated with dry copper (II) oxide and 224 cm3 of carbon dioxide was collected at S.T.P.
Which elements does X contain?
Which will have greater volume when the following gases are compared at STP:
- 1.2/N2 at 25°C and 748 mmHg
- 1.25/O2 at STP
From the equation
\[\ce{3Cu + 8HNO3 -> 3Cu(NO3)2 + 4H2O + 2NO}\]
(Atomic mass Cu = 64, H = 1, N = 14, O = 16)
Calculate the volume of nitric oxide at STP that can be collected.
