JAMB Chemistry · Matter, atoms and chemical combination
Kinetic theory of matter and gas laws: JAMB Chemistry Past Questions and Answers
What the JAMB syllabus covers in Kinetic theory of matter and gas laws
Our summary: How moving particles explain changes of state, and the gas laws with their calculations.
- Phenomena to support the kinetic theory of matter (Using (i) melting; (ii) vapourization; (iii) boiling; (iv) freezing; (v) condensation; in terms of molecular motion and Brownian movement.)
- The laws of Boyle, Charles, Avogadro, Gay-Lussac, Graham and Dalton (law of partial pressure), molar volume and atomicity of gases
- The ideal gas equation (PV = nRT)
- The relationship between vapour density of gases and the relative molecular mass
- Ideal and real gases
Objectives
- apply the theory to distinguish between solids, liquids and gases;
- deduce reasons for change of state;
- draw inferences based on molecular motion;
- deduce gas laws from given expressions/statements;
- interpret graphical representations related to these laws;
- perform simple calculations based on these laws, equations and relationships; and
- state factors responsible for the deviation of real gases from ideal situation.
Syllabus content © The Joint Admissions and Matriculation Board (UTME).
JAMB Chemistry questions on Kinetic theory of matter and gas laws
- JAMB 2025If a gold bar and a silver bar are tied together firmly and left for years, some of the gold particles will be found in the silver bar due to
- JAMB 2025The sublimation of solid to gas involves
- JAMB 2025An inflated balloon shrinks when placed in a freezer because the
- JAMB 2025Water drops are spherical in shape because of
- JAMB 2025The correct arrangement of gases in the order of increasing rate of diffusion is [H = 1, C = 12, N = 14, O = 16, S = 32]
- JAMB 2024If 11.0g of a gas occupies 5.6 dm ^3 at s.t.p., calculate its vapour density (1 mole of a gas occupies 22.4 dm ^3 ).
- JAMB 2024At a given temperature and pressure, a gas X diffuses twice as fast as gas Y. It follows that
- JAMB 2024What is the vapour density of 560cm ^3 of a gas that weighs 0.4g at s.t.p? [Molar Volume of gas at s.t.p = 22.4 dm ^3 ]
- JAMB 2024The volume occupied by 1 mole of an ideal gas at a temperature of 13 ^0 C and a pressure of 1.58 atm is [ R = 0.082 atm dm ^3 K ^ -1 mol ^ -1 ]
- JAMB 2024Boyle's law can be expressed mathematically as
- JAMB 2023What unit of temperature should be used when applying the ideal gas law?
- JAMB 2023At 2.0 atm pressure, the volume of a gas is 4.0 L. If the pressure is reduced to 1.0 atm while keeping the temperature constant, what will be the new volume of…
- JAMB 2023What is the state of matter in which particles are widely spaced and move freely with high kinetic energy?
- JAMB 2023According to the kinetic theory of gases, the pressure exerted by a gas is due to
- JAMB 2023At room temperature and standard pressure, chlorine gas is in which state of matter?
- JAMB 2022If the volume of a given mass of a gas at 0ºc is 29.5cm ^3 . What will be the volume of the gas at 15ºc, given that the pressure remains constant.
- JAMB 2021A sample of any of the following substances disappears after some time when exposed to air like camphor, naphthalene, or dry ice. This phenomenon is called?
- JAMB 20208g of CH 4 occupies 11.2 at S.T.P. What volume would 22g of CH 3 CH 2 CH 3 occupy under the same condition?
- JAMB 2020When a solid substance disappears completely as a gas on heating, the substance is said to have undergone?
- JAMB 2020If the quantity of oxygen occupying 2.76L container at a pressure of 0.825 atm and 300k is reduced by one-half, what is the pressure exerted by the remaining…
- JAMB 2020The volume occupied by 1.58g of a gas at S.T.P is 500cm ^3 . What is the relative molecular mass of the gas? [ G.M.V at S.T.P = 22.4dm ^ 3 ]
- JAMB 2019Hydrogen diffused through a porous plug
- JAMB 2019By what amount must the temperature of 200cm ^3 of Nitrogen at 27°C be increased to double the pressure if the final volume is 150cm ^3 (Assume ideality)
- JAMB 2019The combustion of carbon(II)oxide in oxygen can be represented by equation: 2CO + O 2 → 2CO 2 Calculate the volume of the resulting mixture at the end of the…
- JAMB 2018According to the Kinetic Theory an increase in temperature causes the kinetic energy of particles to
- JAMB 2018A given amount of gas occupies 10.0dm ^3 at 4 atm and 273°C. The number of moles of the gas present is? [Molar volume of gas at s.t.p = 22.4 dm ^3 ]
- JAMB 2018To what temperature must a gas at 273k be heated in order to double both its volume and pressure?
- JAMB 2018According to Charles' law, the volume of a gas becomes zero at
- JAMB 2018If the molecular mass of tetraoxosulphate (VI) acid is 98, calculate its vapour density.
- JAMB 2018A basic postulate of the kinetic theory of gases is that the molecules of a gas move in straight lines between collisions. This implies that
- JAMB 2017The ideal gas laws and equations are true for all gases at
- JAMB 2017According to Charle's law, the volume of a gas becomes zero at
- JAMB 2017If 100cm3 of oxygen pass through a porous plug is 50 seconds, the time taken for the same volume of hydrogen to pass through the same porous plug is? [O = 16, H…
- JAMB 2017An oxide XO2 has a vapour density of 32. What is the atomic mass of X?
- JAMB 2017A given mass of gas occupies 2dm3 at 300k. At what temperature will its volume be doubled, keeping the pressure constant?
- JAMB 2017Calculate the amount in moles of a gas which occupies 10.5 dm3 at 6 atm and 30oC [R = 0.082 atm dm3 K-1 mol^ -1 ]
- JAMB 2016Which of the following properties is not peculiar to matter?
- JAMB 2015A fixed mass of gas occupies 92cm3 at 3°C. What will be its volume at 18C if the pressure remains constant?
- JAMB 2014A gas X diffuses twice as fast as gas Y. if the relative molecular mass of X is 32, calculate the relative molecular mass of Y.
- JAMB 2014200 cm3 of a gas at 25ºC exerts a pressure of 700 mmHg. Calculate its pressure if its volume increase 350 cm3 at 75ºC.
- JAMB 2012l . Evaporation. ll. Sublimation. lll. Diffusion. IV. Brownian motion. Which of the above can correctly be listed as evidences for the particulate nature of…
- JAMB 2012An increase in the pressure exerted on gas at a constant temperature results in
- JAMB 201250 cm 3 of gas was collected over water at 10ºC and 765 mm Hg. Calculate the volume of the gas at s.t.p. if the saturated vapour pressure of water at 10ºC is…
- JAMB 20122H2(g) + O2(g) → 2H2 O(g) In the reaction above, what volume of hydrogen would be left over when 300 cm3 of oxygen and 1000 cm3 of hydrogen are exploded in a…
- JAMB 2011Which of the following properties is NOT peculiar to matter?
- JAMB 2010The volume of a given gas is V cm ^3 at a pressure P mm Hg. what is the new volume of the gas if the pressure is reduced to half at constant temperature?
- JAMB 2010The droplets of water observed around a bottle of milk taken out of the refrigerator is due to the fact that the?
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