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Which of the following statement is correct? 3 years ago Jaiyush19 jee jee main states of matter What is the ratio of pressure of the 2 g of hydrogen to that of 4 g of helium at temperature of 298 K, 20 mL volume? 3 years ago Jaiyush19 jee jee main states of matter When a sample of gas is compressed at constant temperature from 15 atm to 60 atm, its volume changes from 76 cm^3 to 20.5 cm^3. 3 years ago Jaiyush19 jee jee main states of matter What is the value of X in °C for given volume vs temperature curve? 3 years ago Jaiyush19 jee jee main states of matter van der Waal’s equation for a gas is stated as, P =nRT/V-nb - a(n/V)^2 3 years ago Jaiyush19 jee jee main states of matter α, v and u represent most probable velocity, average velocity and root mean square velocity respectively of a gas at a particular temperature. 3 years ago Jaiyush19 jee jee main states of matter Following table represents critical temperature of some gases. Arrange these gases in their increasing order of liquefaction. Gas - H2 - He - N2 - O2 Tc/K - 33.2 - 5.3 - 126 - 154.3 3 years ago Jaiyush19 jee jee main states of matter In case of CO and CH4 curve goes to minima then increases with increase in pressure but in case of H2 and He the curve is linear because: 3 years ago Jaiyush19 jee jee main states of matter Equal volumes of the gases which do not react together are confined in separate vessels. The pressure is 200 mm and 400 mm of Hg respectively. 3 years ago Jaiyush19 jee jee main states of matter A spherical balloon of 21 cm diameter is to be filled with H2 at NTP from a cylinder containing the gas at 20 atm at 27°C. The cylinder can hold 2.82 L of water at NTP. The number of balloons that can be filled up is 3 years ago Jaiyush19 jee jee main states of matter A high-altitude balloon is filled with 1.41 × 10^4 L of hydrogen at a temperature of 21°C and a pressure of 745 torr. 3 years ago Jaiyush19 jee jee main states of matter By how many folds the temperature of a gas would increase when the root mean square velocity of the gas molecules in a container of fixed volume is increased from 5 × 10^4 cm/s to 10 × 10^4 cm/s? 3 years ago Deepak Rock jee jee main states of matter The temperature at which oxygen molecules have the same root mean square speed as helium atoms have at 300 K is 3 years ago Deepak Rock jee jee main states of matter A mixture of Ne and Ar kept in a closed vessel at 250 K has a total K.E. = 3kJ. The total mass of Ne and Ar is 30 g. Find mass % of Ne in gaseous mixture at 250 K. 3 years ago Deepak Rock jee jee main states of matter At STP, a container has 1 mole of He, 2 mole Ne, 3 mole O2 and 4 mole N2 without changing total pressure if 2 mole of O2 is removed. The partial pressure of O2 will be decreased by: 3 years ago Deepak Rock jee jee main states of matter If 10^–4 dm^3 of water is introduced into a 1.0 dm^3 flask at 300 K, how many moles of water are in the vapour phase when equilibrium is established? 3 years ago Deepak Rock jee jee main states of matter Two vessels of volumes 16.4 L and 5 L contain two ideal gases of molecular existence at the respective temperature of 27°C and 227°C and exert 1.5 and 4.1 atmospheres respectively. 3 years ago Deepak Rock jee jee main states of matter When CO2 (g) is passed over red hot coke it partially gets reduced to CO(g). Upon passing 0.5 L of CO2 (g) over red hot coke, the total volume of the gases increased to 700 mL. 3 years ago Deepak Rock jee jee main states of matter Which of the following is not an assumption of the kinetic theory of gases? (a) Gas particles have negligible volume. (b) A gas consists of many identical particles which are in continual motion. 3 years ago Deepak Rock jee jee main states of matter A neon-dioxygen mixture contains 70.6 g O2 and 167.5 g neon. If pressure of the mixture of gases in the cylinder is 25 bar. 3 years ago Deepak Rock jee jee main states of matter Page 2 / 5 Prev 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved