4.4 g of an unknown gas occupies 2.24 L of volume under STP conditions. The gas may be ………………
(A) CO2
(B) CO
(C) O2
(D) SO2
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At 25°C and 760 mm of Hg pressure a gas occupies 600 mL volume.
Given : V1 = Initial volume = 600 mL, V2 = Final volume = 640 mL P1 = Initial pressure = 760 mm Hg T1 = Initial temperature = 25°C = 25 + 273.15 K =...
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The volume (V) of a mass of gas varies directly as its absolute temperature (T) and inversely as the pressure (P) applied to it. The gas occupies a vo
Correct Answer - ` (700)/3 K`
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The volume of a sphere (V) varies directly as the cube of its radius. The volume of the sphere of radius 3 cm is ` 36 pi cm^(3)`. What is the volume o
Correct Answer - ` 4500 pi cm^(3)`
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The volume (V) of a mass of gas varies directly as its absulute temperature (T) and iversely as the pressure (P) applied to it. The gas occupies a vol
Correct Answer - 125 K
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1.12 litre dry chlorine gas at STP was passed over a heated metal when 5.56 g of chloride of the metal was formed. What is the equivalent weight of th
Correct Answer - 20.1
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Calculate the number of moles and molecules of ammonia (NH3) gas in a volume 67.2 dm^3 of it measured at STP.
Given : Volume of ammonia at STP = 67.2 dm3 To find : Number of moles and molecules of ammonia Formulae : i. Number of moles of a gas (n) = \(\frac{Volume\,of\,\,a\,gas\,at\,STP}{Molar\,volume\,of\,a\,gas}\) ii. Number of molecules =...
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3.40 g of ammonia at STP occupies volume of 4.48 dm^3. Calculate molar mass of ammonia.
Given : Mass of ammonia = 3.40 g Volume at STP = 4.48 dm3 To Find : Molar mass of ammonia Calculation : Let ‘x’ grams be the molar mass of NH3. Molar volume of a gas...
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4.4 g of an unknown gas occupies 2.24 L of volume under STP conditions. The gas may be ………………
(A) \(CO_2\) Let say, the molar mass of unknown gas is M Then, Number of mole of unknown gas = \(\frac{4.4\,g}{M}\) As we know, 1 mole of any gas at STP occupy = 22.4 L of volume. \(\therefore\) Number of...
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A liquid occupies a volume of 2 × 10^-4 m^3 at 0 °C. Calculate the increase in its volume If It is heated to 80 °C.
Given: V0 = 2 × 10-4 m3, T0 = 0°C,T = 80°C, γr = 4 × 10-4 K-1, T – T0 = 80 – 0 = 80°C To find: Increase in volume (∆V) Formula: ∆V = V0γr(T – T0) Calculation: From formula. ∆V =...
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In the choice box experiment the cockroach prefers …………………. conditions. i) Dark conditions ii) Light conditions
Correct option is B) i and iv
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